76 files changed, 1255 insertions, 306 deletions

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 4a6ff2ba4d07..b1a4290996b5 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1372,7 +1372,7 @@ static int atalk_route_packet(struct sk_buff *skb, struct net_device *dev,
 
         if (aarp_send_ddp(rt->dev, skb, &ta, NULL) == NET_XMIT_DROP)
                 return NET_RX_DROP;
-        return NET_XMIT_SUCCESS;
+        return NET_RX_SUCCESS;
 free_it:
         kfree_skb(skb);
 drop:
diff --git a/net/can/af_can.c b/net/can/af_can.c
index ef1c43a2ed56..606832115674 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -199,6 +199,8 @@ static int can_create(struct net *net, struct socket *sock, int protocol)
  * @skb: pointer to socket buffer with CAN frame in data section
  * @loop: loopback for listeners on local CAN sockets (recommended default!)
  *
+ * Due to the loopback this routine must not be called from hardirq context.
+ *
  * Return:
  *  0 on success
  *  -ENETDOWN when the selected interface is down
@@ -278,7 +280,7 @@ int can_send(struct sk_buff *skb, int loop)
         }
 
         if (newskb)
-                netif_rx(newskb);
+                netif_rx_ni(newskb);
 
         /* update statistics */
         can_stats.tx_frames++;
diff --git a/net/core/dev.c b/net/core/dev.c
index 84945470ab38..560c8c9c03ab 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1017,9 +1017,9 @@ void netdev_state_change(struct net_device *dev)
 }
 EXPORT_SYMBOL(netdev_state_change);
 
-void netdev_bonding_change(struct net_device *dev)
+void netdev_bonding_change(struct net_device *dev, unsigned long event)
 {
-        call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, dev);
+        call_netdevice_notifiers(event, dev);
 }
 EXPORT_SYMBOL(netdev_bonding_change);
 
diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig
index 4b5db44970aa..8408398cd44e 100644
--- a/net/dccp/ccids/Kconfig
+++ b/net/dccp/ccids/Kconfig
@@ -66,9 +66,9 @@ config IP_DCCP_CCID3_RTO
             A value of 0 disables this feature by enforcing the value specified
             in RFC 3448. The following values have been suggested as bounds for
             experimental use:
-                * 16-20ms to match the typical multimedia inter-frame interval
-                * 100ms as a reasonable compromise [default]
-                * 1000ms corresponds to the lower TCP RTO bound (RFC 2988, 2.4)
+                * 16-20ms to match the typical multimedia inter-frame interval
+                * 100ms as a reasonable compromise [default]
+                * 1000ms corresponds to the lower TCP RTO bound (RFC 2988, 2.4)
 
             The default of 100ms is a compromise between a large value for
             efficient DCCP implementations, and a small value to avoid disrupting
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index d235294ace23..e8cf99e880b0 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -1,6 +1,4 @@
 /*
- *  net/dccp/ccids/ccid2.c
- *
  *  Copyright (c) 2005, 2006 Andrea Bittau <a.bittau@cs.ucl.ac.uk>
  *
  *  Changes to meet Linux coding standards, and DCCP infrastructure fixes.
diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h
index 2c94ca029010..326ac90fb909 100644
--- a/net/dccp/ccids/ccid2.h
+++ b/net/dccp/ccids/ccid2.h
@@ -1,6 +1,4 @@
 /*
- *  net/dccp/ccids/ccid2.h
- *
  *  Copyright (c) 2005 Andrea Bittau <a.bittau@cs.ucl.ac.uk>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -40,14 +38,14 @@ struct ccid2_seq {
 #define CCID2_SEQBUF_LEN 1024
 #define CCID2_SEQBUF_MAX 128
 
-/** struct ccid2_hc_tx_sock - CCID2 TX half connection
- *
+/**
+ * struct ccid2_hc_tx_sock - CCID2 TX half connection
  * @ccid2hctx_{cwnd,ssthresh,pipe}: as per RFC 4341, section 5
  * @ccid2hctx_packets_acked - Ack counter for deriving cwnd growth (RFC 3465)
  * @ccid2hctx_lastrtt -time RTT was last measured
  * @ccid2hctx_rpseq - last consecutive seqno
  * @ccid2hctx_rpdupack - dupacks since rpseq
-*/
+ */
 struct ccid2_hc_tx_sock {
         u32                     ccid2hctx_cwnd;
         u32                     ccid2hctx_ssthresh;
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index f596ce149c3c..34dcc798c457 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -1,6 +1,4 @@
 /*
- *  net/dccp/ccids/ccid3.c
- *
  *  Copyright (c) 2007   The University of Aberdeen, Scotland, UK
  *  Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
  *  Copyright (c) 2005-7 Ian McDonald <ian.mcdonald@jandi.co.nz>
@@ -750,7 +748,8 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
         return 0;
 }
 
-/** ccid3_first_li  -  Implements [RFC 3448, 6.3.1]
+/**
+ * ccid3_first_li  -  Implements [RFC 5348, 6.3.1]
  *
  * Determine the length of the first loss interval via inverse lookup.
  * Assume that X_recv can be computed by the throughput equation
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index 49ca32bd7e79..e5a244143846 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -1,6 +1,4 @@
 /*
- *  net/dccp/ccids/ccid3.h
- *
  *  Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
  *  Copyright (c) 2007   The University of Aberdeen, Scotland, UK
  *
@@ -75,8 +73,8 @@ enum ccid3_hc_tx_states {
         TFRC_SSTATE_TERM,
 };
 
-/** struct ccid3_hc_tx_sock - CCID3 sender half-connection socket
- *
+/**
+ * struct ccid3_hc_tx_sock - CCID3 sender half-connection socket
  * @ccid3hctx_x - Current sending rate in 64 * bytes per second
  * @ccid3hctx_x_recv - Receive rate    in 64 * bytes per second
  * @ccid3hctx_x_calc - Calculated rate in bytes per second
@@ -119,9 +117,9 @@ struct ccid3_hc_tx_sock {
 
 static inline struct ccid3_hc_tx_sock *ccid3_hc_tx_sk(const struct sock *sk)
 {
-    struct ccid3_hc_tx_sock *hctx = ccid_priv(dccp_sk(sk)->dccps_hc_tx_ccid);
-    BUG_ON(hctx == NULL);
-    return hctx;
+        struct ccid3_hc_tx_sock *hctx = ccid_priv(dccp_sk(sk)->dccps_hc_tx_ccid);
+        BUG_ON(hctx == NULL);
+        return hctx;
 }
 
 /* TFRC receiver states */
@@ -131,22 +129,22 @@ enum ccid3_hc_rx_states {
         TFRC_RSTATE_TERM    = 127,
 };
 
-/** struct ccid3_hc_rx_sock - CCID3 receiver half-connection socket
- *
- *  @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448 4.3)
- *  @ccid3hcrx_rtt  -  Receiver estimate of rtt (non-standard)
- *  @ccid3hcrx_p  -  Current loss event rate (RFC 3448 5.4)
- *  @ccid3hcrx_last_counter  -  Tracks window counter (RFC 4342, 8.1)
- *  @ccid3hcrx_state  -  Receiver state, one of %ccid3_hc_rx_states
- *  @ccid3hcrx_bytes_recv  -  Total sum of DCCP payload bytes
- *  @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448, sec. 4.3)
- *  @ccid3hcrx_rtt  -  Receiver estimate of RTT
- *  @ccid3hcrx_tstamp_last_feedback  -  Time at which last feedback was sent
- *  @ccid3hcrx_tstamp_last_ack  -  Time at which last feedback was sent
- *  @ccid3hcrx_hist  -  Packet history (loss detection + RTT sampling)
- *  @ccid3hcrx_li_hist  -  Loss Interval database
- *  @ccid3hcrx_s  -  Received packet size in bytes
- *  @ccid3hcrx_pinv  -  Inverse of Loss Event Rate (RFC 4342, sec. 8.5)
+/**
+ * struct ccid3_hc_rx_sock - CCID3 receiver half-connection socket
+ * @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448 4.3)
+ * @ccid3hcrx_rtt  -  Receiver estimate of rtt (non-standard)
+ * @ccid3hcrx_p  -  Current loss event rate (RFC 3448 5.4)
+ * @ccid3hcrx_last_counter  -  Tracks window counter (RFC 4342, 8.1)
+ * @ccid3hcrx_state  -  Receiver state, one of %ccid3_hc_rx_states
+ * @ccid3hcrx_bytes_recv  -  Total sum of DCCP payload bytes
+ * @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448, sec. 4.3)
+ * @ccid3hcrx_rtt  -  Receiver estimate of RTT
+ * @ccid3hcrx_tstamp_last_feedback  -  Time at which last feedback was sent
+ * @ccid3hcrx_tstamp_last_ack  -  Time at which last feedback was sent
+ * @ccid3hcrx_hist  -  Packet history (loss detection + RTT sampling)
+ * @ccid3hcrx_li_hist  -  Loss Interval database
+ * @ccid3hcrx_s  -  Received packet size in bytes
+ * @ccid3hcrx_pinv  -  Inverse of Loss Event Rate (RFC 4342, sec. 8.5)
  */
 struct ccid3_hc_rx_sock {
         u8                              ccid3hcrx_last_counter:4;
@@ -163,9 +161,9 @@ struct ccid3_hc_rx_sock {
 
 static inline struct ccid3_hc_rx_sock *ccid3_hc_rx_sk(const struct sock *sk)
 {
-    struct ccid3_hc_rx_sock *hcrx = ccid_priv(dccp_sk(sk)->dccps_hc_rx_ccid);
-    BUG_ON(hcrx == NULL);
-    return hcrx;
+        struct ccid3_hc_rx_sock *hcrx = ccid_priv(dccp_sk(sk)->dccps_hc_rx_ccid);
+        BUG_ON(hcrx == NULL);
+        return hcrx;
 }
 
 #endif /* _DCCP_CCID3_H_ */
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 4d1e40127264..8fc3cbf79071 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -1,6 +1,4 @@
 /*
- *  net/dccp/ccids/lib/loss_interval.c
- *
  *  Copyright (c) 2007   The University of Aberdeen, Scotland, UK
  *  Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
  *  Copyright (c) 2005-7 Ian McDonald <ian.mcdonald@jandi.co.nz>
@@ -21,7 +19,7 @@ static const int tfrc_lh_weights[NINTERVAL] = { 10, 10, 10, 10, 8, 6, 4, 2 };
 /* implements LIFO semantics on the array */
 static inline u8 LIH_INDEX(const u8 ctr)
 {
-        return (LIH_SIZE - 1 - (ctr % LIH_SIZE));
+        return LIH_SIZE - 1 - (ctr % LIH_SIZE);
 }
 
 /* the `counter' index always points at the next entry to be populated */
@@ -129,7 +127,8 @@ static inline u8 tfrc_lh_is_new_loss(struct tfrc_loss_interval *cur,
                 (cur->li_is_closed || SUB16(new_loss->tfrchrx_ccval, cur->li_ccval) > 4);
 }
 
-/** tfrc_lh_interval_add  -  Insert new record into the Loss Interval database
+/**
+ * tfrc_lh_interval_add  -  Insert new record into the Loss Interval database
  * @lh:            Loss Interval database
  * @rh:            Receive history containing a fresh loss event
  * @calc_first_li: Caller-dependent routine to compute length of first interval
diff --git a/net/dccp/ccids/lib/loss_interval.h b/net/dccp/ccids/lib/loss_interval.h
index 246018a3b269..d1d2f5383b7d 100644
--- a/net/dccp/ccids/lib/loss_interval.h
+++ b/net/dccp/ccids/lib/loss_interval.h
@@ -1,8 +1,6 @@
 #ifndef _DCCP_LI_HIST_
 #define _DCCP_LI_HIST_
 /*
- *  net/dccp/ccids/lib/loss_interval.h
- *
  *  Copyright (c) 2007   The University of Aberdeen, Scotland, UK
  *  Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
  *  Copyright (c) 2005-7 Ian McDonald <ian.mcdonald@jandi.co.nz>
diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index b7785b3581ec..3a4f414e94a0 100644
--- a/net/dccp/ccids/lib/packet_history.c
+++ b/net/dccp/ccids/lib/packet_history.c
@@ -1,6 +1,4 @@
 /*
- *  net/dccp/packet_history.c
- *
  *  Copyright (c) 2007   The University of Aberdeen, Scotland, UK
  *  Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
  *
@@ -128,7 +126,7 @@ u32 tfrc_tx_hist_rtt(struct tfrc_tx_hist_entry *head, const u64 seqno,
 
 
 /*
- *      Receiver History Routines
+ *      Receiver History Routines
  */
 static struct kmem_cache *tfrc_rx_hist_slab;
 
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 461cc91cce88..7df6c5299999 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -70,7 +70,6 @@ struct tfrc_rx_hist_entry {
 
 /**
  * tfrc_rx_hist  -  RX history structure for TFRC-based protocols
- *
  * @ring:               Packet history for RTT sampling and loss detection
  * @loss_count:         Number of entries in circular history
  * @loss_start:         Movable index (for loss detection)
diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h
index e9720b143275..01bb48e96c2e 100644
--- a/net/dccp/ccids/lib/tfrc.h
+++ b/net/dccp/ccids/lib/tfrc.h
@@ -1,8 +1,6 @@
 #ifndef _TFRC_H_
 #define _TFRC_H_
 /*
- *  net/dccp/ccids/lib/tfrc.h
- *
  *  Copyright (c) 2007   The University of Aberdeen, Scotland, UK
  *  Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand.
  *  Copyright (c) 2005-6 Ian McDonald <ian.mcdonald@jandi.co.nz>
@@ -32,7 +30,7 @@ extern int tfrc_debug;
 /* integer-arithmetic divisions of type (a * 1000000)/b */
 static inline u64 scaled_div(u64 a, u64 b)
 {
-        BUG_ON(b==0);
+        BUG_ON(b == 0);
         return div64_u64(a * 1000000, b);
 }
 
diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c
index c5d3a9e5a5a4..22ca1cf0eb55 100644
--- a/net/dccp/ccids/lib/tfrc_equation.c
+++ b/net/dccp/ccids/lib/tfrc_equation.c
@@ -1,6 +1,4 @@
 /*
- *  net/dccp/ccids/lib/tfrc_equation.c
- *
  *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
  *  Copyright (c) 2005 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
@@ -79,10 +77,10 @@
     }
 
   With the given configuration, we have, with M = TFRC_CALC_X_ARRSIZE-1,
-    lookup[0][0]  =  g(1000000/(M+1))            =  1000000 * f(0.2%)
-    lookup[M][0]  =  g(1000000)                  =  1000000 * f(100%)
-    lookup[0][1]  =  g(TFRC_SMALLEST_P)           = 1000000 * f(0.01%)
-    lookup[M][1]  =  g(TFRC_CALC_X_SPLIT)        =  1000000 * f(5%)
+    lookup[0][0]  =  g(1000000/(M+1))           = 1000000 * f(0.2%)
+    lookup[M][0]  =  g(1000000)                 = 1000000 * f(100%)
+    lookup[0][1]  =  g(TFRC_SMALLEST_P)         = 1000000 * f(0.01%)
+    lookup[M][1]  =  g(TFRC_CALC_X_SPLIT)       = 1000000 * f(5%)
 
   In summary, the two columns represent f(p) for the following ranges:
     * The first column is for   0.002  <= p <= 1.0
@@ -610,11 +608,10 @@ static inline u32 tfrc_binsearch(u32 fval, u8 small)
 
 /**
  * tfrc_calc_x - Calculate the send rate as per section 3.1 of RFC3448
- *
- *  @s: packet size          in bytes
- *  @R: RTT                  scaled by 1000000   (i.e., microseconds)
- *  @p: loss ratio estimate  scaled by 1000000
- *  Returns X_calc           in bytes per second (not scaled).
+ * @s: packet size          in bytes
+ * @R: RTT                  scaled by 1000000   (i.e., microseconds)
+ * @p: loss ratio estimate  scaled by 1000000
+ * Returns X_calc           in bytes per second (not scaled).
  */
 u32 tfrc_calc_x(u16 s, u32 R, u32 p)
 {
@@ -630,17 +627,17 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p)
                 return ~0U;
         }
 
-        if (p <= TFRC_CALC_X_SPLIT)             {     /* 0.0000 < p <= 0.05   */
+        if (p <= TFRC_CALC_X_SPLIT)             {     /* 0.0000 < p <= 0.05   */
                 if (p < TFRC_SMALLEST_P) {            /* 0.0000 < p <  0.0001 */
                         DCCP_WARN("Value of p (%d) below resolution. "
                                   "Substituting %d\n", p, TFRC_SMALLEST_P);
                         index = 0;
-                } else                                /* 0.0001 <= p <= 0.05  */
+                } else                                /* 0.0001 <= p <= 0.05  */
                         index =  p/TFRC_SMALLEST_P - 1;
 
                 f = tfrc_calc_x_lookup[index][1];
 
-        } else {                                      /* 0.05   <  p <= 1.00  */
+        } else {                                      /* 0.05   <  p <= 1.00  */
                 index = p/(1000000/TFRC_CALC_X_ARRSIZE) - 1;
 
                 f = tfrc_calc_x_lookup[index][0];
@@ -661,7 +658,6 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p)
 
 /**
  *  tfrc_calc_x_reverse_lookup  -  try to find p given f(p)
- *
  *  @fvalue: function value to match, scaled by 1000000
  *  Returns closest match for p, also scaled by 1000000
  */
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index d01c00de1ad0..7302e1498d46 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -948,7 +948,7 @@ static struct proto dccp_v4_prot = {
 #endif
 };
 
-static struct net_protocol dccp_v4_protocol = {
+static const struct net_protocol dccp_v4_protocol = {
         .handler        = dccp_v4_rcv,
         .err_handler    = dccp_v4_err,
         .no_policy      = 1,
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 64f011cc4491..e48ca5d45658 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1152,13 +1152,13 @@ static struct proto dccp_v6_prot = {
 #endif
 };
 
-static struct inet6_protocol dccp_v6_protocol = {
+static const struct inet6_protocol dccp_v6_protocol = {
         .handler        = dccp_v6_rcv,
         .err_handler    = dccp_v6_err,
         .flags          = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL,
 };
 
-static struct proto_ops inet6_dccp_ops = {
+static const struct proto_ops inet6_dccp_ops = {
         .family            = PF_INET6,
         .owner             = THIS_MODULE,
         .release           = inet6_release,
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index 77ae6852b93d..51593a48f2dd 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -414,7 +414,7 @@ static int dgram_getsockopt(struct sock *sk, int level, int optname,
 }
 
 static int dgram_setsockopt(struct sock *sk, int level, int optname,
-                    char __user *optval, int __user optlen)
+                    char __user *optval, int optlen)
 {
         struct dgram_sock *ro = dgram_sk(sk);
         int val;
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 2106ecbf0308..ca767bde17a4 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -35,6 +35,7 @@
 #include <net/ieee802154_netdev.h>
 
 static unsigned int ieee802154_seq_num;
+static DEFINE_SPINLOCK(ieee802154_seq_lock);
 
 static struct genl_family ieee802154_coordinator_family = {
         .id             = GENL_ID_GENERATE,
@@ -57,12 +58,15 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
 {
         void *hdr;
         struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+        unsigned long f;
 
         if (!msg)
                 return NULL;
 
+        spin_lock_irqsave(&ieee802154_seq_lock, f);
         hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
                         &ieee802154_coordinator_family, flags, req);
+        spin_unlock_irqrestore(&ieee802154_seq_lock, f);
         if (!hdr) {
                 nlmsg_free(msg);
                 return NULL;
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 4681501aae93..13198859982e 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -244,7 +244,7 @@ static int raw_getsockopt(struct sock *sk, int level, int optname,
 }
 
 static int raw_setsockopt(struct sock *sk, int level, int optname,
-                    char __user *optval, int __user optlen)
+                    char __user *optval, int optlen)
 {
         return -EOPNOTSUPP;
 }
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 6c30a73f03f5..58c4b0f7c4aa 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -244,7 +244,7 @@ EXPORT_SYMBOL(build_ehash_secret);
 static inline int inet_netns_ok(struct net *net, int protocol)
 {
         int hash;
-        struct net_protocol *ipprot;
+        const struct net_protocol *ipprot;
 
         if (net_eq(net, &init_net))
                 return 1;
@@ -1162,7 +1162,7 @@ EXPORT_SYMBOL(inet_sk_rebuild_header);
 static int inet_gso_send_check(struct sk_buff *skb)
 {
         struct iphdr *iph;
-        struct net_protocol *ops;
+        const struct net_protocol *ops;
         int proto;
         int ihl;
         int err = -EINVAL;
@@ -1198,7 +1198,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
 {
         struct sk_buff *segs = ERR_PTR(-EINVAL);
         struct iphdr *iph;
-        struct net_protocol *ops;
+        const struct net_protocol *ops;
         int proto;
         int ihl;
         int id;
@@ -1265,7 +1265,7 @@ out:
 static struct sk_buff **inet_gro_receive(struct sk_buff **head,
                                          struct sk_buff *skb)
 {
-        struct net_protocol *ops;
+        const struct net_protocol *ops;
         struct sk_buff **pp = NULL;
         struct sk_buff *p;
         struct iphdr *iph;
@@ -1342,7 +1342,7 @@ out:
 
 static int inet_gro_complete(struct sk_buff *skb)
 {
-        struct net_protocol *ops;
+        const struct net_protocol *ops;
         struct iphdr *iph = ip_hdr(skb);
         int proto = iph->protocol & (MAX_INET_PROTOS - 1);
         int err = -ENOSYS;
@@ -1427,13 +1427,13 @@ void snmp_mib_free(void *ptr[2])
 EXPORT_SYMBOL_GPL(snmp_mib_free);
 
 #ifdef CONFIG_IP_MULTICAST
-static struct net_protocol igmp_protocol = {
+static const struct net_protocol igmp_protocol = {
         .handler =      igmp_rcv,
         .netns_ok =     1,
 };
 #endif
 
-static struct net_protocol tcp_protocol = {
+static const struct net_protocol tcp_protocol = {
         .handler =      tcp_v4_rcv,
         .err_handler =  tcp_v4_err,
         .gso_send_check = tcp_v4_gso_send_check,
@@ -1444,7 +1444,7 @@ static struct net_protocol tcp_protocol = {
         .netns_ok =     1,
 };
 
-static struct net_protocol udp_protocol = {
+static const struct net_protocol udp_protocol = {
         .handler =      udp_rcv,
         .err_handler =  udp_err,
         .gso_send_check = udp4_ufo_send_check,
@@ -1453,7 +1453,7 @@ static struct net_protocol udp_protocol = {
         .netns_ok =     1,
 };
 
-static struct net_protocol icmp_protocol = {
+static const struct net_protocol icmp_protocol = {
         .handler =      icmp_rcv,
         .no_policy =    1,
         .netns_ok =     1,
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index e878e494296e..5c662703eb1e 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -311,7 +311,7 @@ static const struct xfrm_type ah_type =
         .output         = ah_output
 };
 
-static struct net_protocol ah4_protocol = {
+static const struct net_protocol ah4_protocol = {
         .handler        =       xfrm4_rcv,
         .err_handler    =       ah4_err,
         .no_policy      =       1,
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 3863c3a4223f..07336c6201f0 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1087,6 +1087,12 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
         case NETDEV_DOWN:
                 ip_mc_down(in_dev);
                 break;
+        case NETDEV_BONDING_OLDTYPE:
+                ip_mc_unmap(in_dev);
+                break;
+        case NETDEV_BONDING_NEWTYPE:
+                ip_mc_remap(in_dev);
+                break;
         case NETDEV_CHANGEMTU:
                 if (inetdev_valid_mtu(dev->mtu))
                         break;
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 18bb383ea393..12f7287e902d 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -615,7 +615,7 @@ static const struct xfrm_type esp_type =
         .output         = esp_output
 };
 
-static struct net_protocol esp4_protocol = {
+static const struct net_protocol esp4_protocol = {
         .handler        =       xfrm4_rcv,
         .err_handler    =       esp4_err,
         .no_policy      =       1,
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 97c410e84388..5bc13fe816d1 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -655,7 +655,7 @@ static void icmp_unreach(struct sk_buff *skb)
         struct iphdr *iph;
         struct icmphdr *icmph;
         int hash, protocol;
-        struct net_protocol *ipprot;
+        const struct net_protocol *ipprot;
         u32 info = 0;
         struct net *net;
 
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 01b4284ed694..d41e5de79a82 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1298,6 +1298,28 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
         }
 }
 
+/* Device changing type */
+
+void ip_mc_unmap(struct in_device *in_dev)
+{
+        struct ip_mc_list *i;
+
+        ASSERT_RTNL();
+
+        for (i = in_dev->mc_list; i; i = i->next)
+                igmp_group_dropped(i);
+}
+
+void ip_mc_remap(struct in_device *in_dev)
+{
+        struct ip_mc_list *i;
+
+        ASSERT_RTNL();
+
+        for (i = in_dev->mc_list; i; i = i->next)
+                igmp_group_added(i);
+}
+
 /* Device going down */
 
 void ip_mc_down(struct in_device *in_dev)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 533afaadefd4..d9645c94a067 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1288,7 +1288,7 @@ static void ipgre_fb_tunnel_init(struct net_device *dev)
 }
 
 
-static struct net_protocol ipgre_protocol = {
+static const struct net_protocol ipgre_protocol = {
         .handler        =       ipgre_rcv,
         .err_handler    =       ipgre_err,
         .netns_ok       =       1,
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index db46b4b5b2b9..6c98b43badf4 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -202,7 +202,7 @@ static int ip_local_deliver_finish(struct sk_buff *skb)
         {
                 int protocol = ip_hdr(skb)->protocol;
                 int hash, raw;
-                struct net_protocol *ipprot;
+                const struct net_protocol *ipprot;
 
         resubmit:
                 raw = raw_local_deliver(skb, protocol);
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 3262ce06294c..38fbf04150ae 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -146,7 +146,7 @@ static const struct xfrm_type ipcomp_type = {
         .output         = ipcomp_output
 };
 
-static struct net_protocol ipcomp4_protocol = {
+static const struct net_protocol ipcomp4_protocol = {
         .handler        =       xfrm4_rcv,
         .err_handler    =       ipcomp4_err,
         .no_policy      =       1,
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 65d421cf5bc7..c43ec2d51ce2 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -99,10 +99,6 @@ static int ipmr_cache_report(struct net *net,
                              struct sk_buff *pkt, vifi_t vifi, int assert);
 static int ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm);
 
-#ifdef CONFIG_IP_PIMSM_V2
-static struct net_protocol pim_protocol;
-#endif
-
 static struct timer_list ipmr_expire_timer;
 
 /* Service routines creating virtual interfaces: DVMRP tunnels and PIMREG */
@@ -1945,7 +1941,7 @@ static const struct file_operations ipmr_mfc_fops = {
 #endif
 
 #ifdef CONFIG_IP_PIMSM_V2
-static struct net_protocol pim_protocol = {
+static const struct net_protocol pim_protocol = {
         .handler        =       pim_rcv,
         .netns_ok       =       1,
 };
diff --git a/net/ipv4/protocol.c b/net/ipv4/protocol.c
index a2e5fc0a15e1..542f22fc98b3 100644
--- a/net/ipv4/protocol.c
+++ b/net/ipv4/protocol.c
@@ -28,14 +28,14 @@
 #include <linux/spinlock.h>
 #include <net/protocol.h>
 
-struct net_protocol *inet_protos[MAX_INET_PROTOS] ____cacheline_aligned_in_smp;
+const struct net_protocol *inet_protos[MAX_INET_PROTOS] ____cacheline_aligned_in_smp;
 static DEFINE_SPINLOCK(inet_proto_lock);
 
 /*
  *      Add a protocol handler to the hash tables
  */
 
-int inet_add_protocol(struct net_protocol *prot, unsigned char protocol)
+int inet_add_protocol(const struct net_protocol *prot, unsigned char protocol)
 {
         int hash, ret;
 
@@ -57,7 +57,7 @@ int inet_add_protocol(struct net_protocol *prot, unsigned char protocol)
  *      Remove a protocol from the hash tables.
  */
 
-int inet_del_protocol(struct net_protocol *prot, unsigned char protocol)
+int inet_del_protocol(const struct net_protocol *prot, unsigned char protocol)
 {
         int hash, ret;
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index edeea060db44..19a0612b8a20 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2012,7 +2012,7 @@ int tcp_disconnect(struct sock *sk, int flags)
         tp->snd_cwnd = 2;
         icsk->icsk_probes_out = 0;
         tp->packets_out = 0;
-        tp->snd_ssthresh = 0x7fffffff;
+        tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
         tp->snd_cwnd_cnt = 0;
         tp->bytes_acked = 0;
         tcp_set_ca_state(sk, TCP_CA_Open);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index af6d6fa00db1..d86784be7ab3 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -761,7 +761,7 @@ void tcp_update_metrics(struct sock *sk)
                         set_dst_metric_rtt(dst, RTAX_RTTVAR, var);
                 }
 
-                if (tp->snd_ssthresh >= 0xFFFF) {
+                if (tcp_in_initial_slowstart(tp)) {
                         /* Slow start still did not finish. */
                         if (dst_metric(dst, RTAX_SSTHRESH) &&
                             !dst_metric_locked(dst, RTAX_SSTHRESH) &&
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 0543561da999..7cda24b53f61 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1808,7 +1808,7 @@ static int tcp_v4_init_sock(struct sock *sk)
         /* See draft-stevens-tcpca-spec-01 for discussion of the
          * initialization of these values.
          */
-        tp->snd_ssthresh = 0x7fffffff;  /* Infinity */
+        tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
         tp->snd_cwnd_clamp = ~0;
         tp->mss_cache = 536;
 
@@ -2284,7 +2284,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
                 jiffies_to_clock_t(icsk->icsk_ack.ato),
                 (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,
                 tp->snd_cwnd,
-                tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh,
+                tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh,
                 len);
 }
 
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index e48c37d74d77..624c3c9b3c2b 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -363,7 +363,7 @@ void tcp_twsk_destructor(struct sock *sk)
 #ifdef CONFIG_TCP_MD5SIG
         struct tcp_timewait_sock *twsk = tcp_twsk(sk);
         if (twsk->tw_md5_keylen)
-                tcp_put_md5sig_pool();
+                tcp_free_md5sig_pool();
 #endif
 }
 
@@ -410,7 +410,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
                 newtp->retrans_out = 0;
                 newtp->sacked_out = 0;
                 newtp->fackets_out = 0;
-                newtp->snd_ssthresh = 0x7fffffff;
+                newtp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
 
                 /* So many TCP implementations out there (incorrectly) count the
                  * initial SYN frame in their delayed-ACK and congestion control
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index cb1f0e83830b..3959e0ca456a 100644
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -132,7 +132,7 @@ static void tunnel64_err(struct sk_buff *skb, u32 info)
 }
 #endif
 
-static struct net_protocol tunnel4_protocol = {
+static const struct net_protocol tunnel4_protocol = {
         .handler        =       tunnel4_rcv,
         .err_handler    =       tunnel4_err,
         .no_policy      =       1,
@@ -140,7 +140,7 @@ static struct net_protocol tunnel4_protocol = {
 };
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-static struct net_protocol tunnel64_protocol = {
+static const struct net_protocol tunnel64_protocol = {
         .handler        =       tunnel64_rcv,
         .err_handler    =       tunnel64_err,
         .no_policy      =       1,
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index c784891cb7e5..95248d7f75ec 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -25,7 +25,7 @@ static void udplite_err(struct sk_buff *skb, u32 info)
         __udp4_lib_err(skb, info, &udplite_table);
 }
 
-static  struct net_protocol udplite_protocol = {
+static const struct net_protocol udplite_protocol = {
         .handler        = udplite_rcv,
         .err_handler    = udplite_err,
         .no_policy      = 1,
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c9b369034a40..55f486d89c88 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -137,6 +137,8 @@ static DEFINE_SPINLOCK(addrconf_verify_lock);
 static void addrconf_join_anycast(struct inet6_ifaddr *ifp);
 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
 
+static void addrconf_bonding_change(struct net_device *dev,
+                                    unsigned long event);
 static int addrconf_ifdown(struct net_device *dev, int how);
 
 static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags);
@@ -1405,8 +1407,8 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp)
         struct inet6_dev *idev = ifp->idev;
 
         if (net_ratelimit())
-                printk(KERN_INFO "%s: IPv6 duplicate address detected!\n",
-                        ifp->idev->dev->name);
+                printk(KERN_INFO "%s: IPv6 duplicate address %pI6c detected!\n",
+                        ifp->idev->dev->name, &ifp->addr);
 
         if (idev->cnf.accept_dad > 1 && !idev->cnf.disable_ipv6) {
                 struct in6_addr addr;
@@ -2582,6 +2584,10 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
                                 return notifier_from_errno(err);
                 }
                 break;
+        case NETDEV_BONDING_OLDTYPE:
+        case NETDEV_BONDING_NEWTYPE:
+                addrconf_bonding_change(dev, event);
+                break;
         }
 
         return NOTIFY_OK;
@@ -2595,6 +2601,19 @@ static struct notifier_block ipv6_dev_notf = {
         .priority = 0
 };
 
+static void addrconf_bonding_change(struct net_device *dev, unsigned long event)
+{
+        struct inet6_dev *idev;
+        ASSERT_RTNL();
+
+        idev = __in6_dev_get(dev);
+
+        if (event == NETDEV_BONDING_NEWTYPE)
+                ipv6_mc_remap(idev);
+        else if (event == NETDEV_BONDING_OLDTYPE)
+                ipv6_mc_unmap(idev);
+}
+
 static int addrconf_ifdown(struct net_device *dev, int how)
 {
         struct inet6_dev *idev;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index a123a328aeb3..e127a32f9540 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -710,7 +710,7 @@ EXPORT_SYMBOL_GPL(ipv6_opt_accepted);
 
 static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto)
 {
-        struct inet6_protocol *ops = NULL;
+        const struct inet6_protocol *ops = NULL;
 
         for (;;) {
                 struct ipv6_opt_hdr *opth;
@@ -745,7 +745,7 @@ static int ipv6_gso_pull_exthdrs(struct sk_buff *skb, int proto)
 static int ipv6_gso_send_check(struct sk_buff *skb)
 {
         struct ipv6hdr *ipv6h;
-        struct inet6_protocol *ops;
+        const struct inet6_protocol *ops;
         int err = -EINVAL;
 
         if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h))))
@@ -773,7 +773,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features)
 {
         struct sk_buff *segs = ERR_PTR(-EINVAL);
         struct ipv6hdr *ipv6h;
-        struct inet6_protocol *ops;
+        const struct inet6_protocol *ops;
         int proto;
         struct frag_hdr *fptr;
         unsigned int unfrag_ip6hlen;
@@ -840,7 +840,7 @@ struct ipv6_gro_cb {
 static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
                                          struct sk_buff *skb)
 {
-        struct inet6_protocol *ops;
+        const struct inet6_protocol *ops;
         struct sk_buff **pp = NULL;
         struct sk_buff *p;
         struct ipv6hdr *iph;
@@ -926,7 +926,7 @@ out:
 
 static int ipv6_gro_complete(struct sk_buff *skb)
 {
-        struct inet6_protocol *ops;
+        const struct inet6_protocol *ops;
         struct ipv6hdr *iph = ipv6_hdr(skb);
         int err = -ENOSYS;
 
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 86f42a288c4b..c1589e2f1dc9 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -527,7 +527,7 @@ static const struct xfrm_type ah6_type =
         .hdr_offset     = xfrm6_find_1stfragopt,
 };
 
-static struct inet6_protocol ah6_protocol = {
+static const struct inet6_protocol ah6_protocol = {
         .handler        =       xfrm6_rcv,
         .err_handler    =       ah6_err,
         .flags          =       INET6_PROTO_NOPOLICY,
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 678bb95b1525..af597c73ebe9 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -558,7 +558,7 @@ static const struct xfrm_type esp6_type =
         .hdr_offset     = xfrm6_find_1stfragopt,
 };
 
-static struct inet6_protocol esp6_protocol = {
+static const struct inet6_protocol esp6_protocol = {
         .handler        =       xfrm6_rcv,
         .err_handler    =       esp6_err,
         .flags          =       INET6_PROTO_NOPOLICY,
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 4aae658e5501..df159fffe4bc 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -500,17 +500,17 @@ unknown_rh:
         return -1;
 }
 
-static struct inet6_protocol rthdr_protocol = {
+static const struct inet6_protocol rthdr_protocol = {
         .handler        =       ipv6_rthdr_rcv,
         .flags          =       INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
 };
 
-static struct inet6_protocol destopt_protocol = {
+static const struct inet6_protocol destopt_protocol = {
         .handler        =       ipv6_destopt_rcv,
         .flags          =       INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
 };
 
-static struct inet6_protocol nodata_protocol = {
+static const struct inet6_protocol nodata_protocol = {
         .handler        =       dst_discard,
         .flags          =       INET6_PROTO_NOPOLICY,
 };
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index e2325f6a05fb..f23ebbec0631 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -86,7 +86,7 @@ static inline struct sock *icmpv6_sk(struct net *net)
 
 static int icmpv6_rcv(struct sk_buff *skb);
 
-static struct inet6_protocol icmpv6_protocol = {
+static const struct inet6_protocol icmpv6_protocol = {
         .handler        =       icmpv6_rcv,
         .flags          =       INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
@@ -583,7 +583,7 @@ out:
 
 static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
 {
-        struct inet6_protocol *ipprot;
+        const struct inet6_protocol *ipprot;
         int inner_offset;
         int hash;
         u8 nexthdr;
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 2d9cbaa67edb..237e2dba6e94 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -159,7 +159,7 @@ drop:
 
 static int ip6_input_finish(struct sk_buff *skb)
 {
-        struct inet6_protocol *ipprot;
+        const struct inet6_protocol *ipprot;
         unsigned int nhoff;
         int nexthdr, raw;
         u8 hash;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 5c8d73730c75..3907510c2ce3 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -83,10 +83,6 @@ static int ip6mr_cache_report(struct net *net, struct sk_buff *pkt,
 static int ip6mr_fill_mroute(struct sk_buff *skb, struct mfc6_cache *c, struct rtmsg *rtm);
 static void mroute_clean_tables(struct net *net);
 
-#ifdef CONFIG_IPV6_PIMSM_V2
-static struct inet6_protocol pim6_protocol;
-#endif
-
 static struct timer_list ipmr_expire_timer;
 
 
@@ -410,7 +406,7 @@ static int pim6_rcv(struct sk_buff *skb)
         return 0;
 }
 
-static struct inet6_protocol pim6_protocol = {
+static const struct inet6_protocol pim6_protocol = {
         .handler        =       pim6_rcv,
 };
 
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 79c172f1ff01..2f2a5ca2c878 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -178,7 +178,7 @@ static const struct xfrm_type ipcomp6_type =
         .hdr_offset     = xfrm6_find_1stfragopt,
 };
 
-static struct inet6_protocol ipcomp6_protocol =
+static const struct inet6_protocol ipcomp6_protocol =
 {
         .handler        = xfrm6_rcv,
         .err_handler    = ipcomp6_err,
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 71c3dacec1ed..f9fcf690bd5d 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2249,6 +2249,25 @@ static void igmp6_timer_handler(unsigned long data)
         ma_put(ma);
 }
 
+/* Device changing type */
+
+void ipv6_mc_unmap(struct inet6_dev *idev)
+{
+        struct ifmcaddr6 *i;
+
+        /* Install multicast list, except for all-nodes (already installed) */
+
+        read_lock_bh(&idev->lock);
+        for (i = idev->mc_list; i; i = i->next)
+                igmp6_group_dropped(i);
+        read_unlock_bh(&idev->lock);
+}
+
+void ipv6_mc_remap(struct inet6_dev *idev)
+{
+        ipv6_mc_up(idev);
+}
+
 /* Device going down */
 
 void ipv6_mc_down(struct inet6_dev *idev)
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index 568864f722ca..1fa3468f0f32 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -25,11 +25,11 @@
 #include <linux/spinlock.h>
 #include <net/protocol.h>
 
-struct inet6_protocol *inet6_protos[MAX_INET_PROTOS];
+const struct inet6_protocol *inet6_protos[MAX_INET_PROTOS];
 static DEFINE_SPINLOCK(inet6_proto_lock);
 
 
-int inet6_add_protocol(struct inet6_protocol *prot, unsigned char protocol)
+int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol)
 {
         int ret, hash = protocol & (MAX_INET_PROTOS - 1);
 
@@ -53,7 +53,7 @@ EXPORT_SYMBOL(inet6_add_protocol);
  *      Remove a protocol from the hash tables.
  */
 
-int inet6_del_protocol(struct inet6_protocol *prot, unsigned char protocol)
+int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char protocol)
 {
         int ret, hash = protocol & (MAX_INET_PROTOS - 1);
 
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 2642a41a8535..da5bd0ed83df 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -627,7 +627,7 @@ fail_hdr:
         return -1;
 }
 
-static struct inet6_protocol frag_protocol =
+static const struct inet6_protocol frag_protocol =
 {
         .handler        =       ipv6_frag_rcv,
         .flags          =       INET6_PROTO_NOPOLICY,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 9ccfef345560..77aecbe8ff6c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -481,7 +481,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
 
         pref = rinfo->route_pref;
         if (pref == ICMPV6_ROUTER_PREF_INVALID)
-                pref = ICMPV6_ROUTER_PREF_MEDIUM;
+                return -EINVAL;
 
         lifetime = addrconf_timeout_fixup(ntohl(rinfo->lifetime), HZ);
 
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3aae0f217d61..21d100b68b19 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1846,7 +1846,7 @@ static int tcp_v6_init_sock(struct sock *sk)
         /* See draft-stevens-tcpca-spec-01 for discussion of the
          * initialization of these values.
          */
-        tp->snd_ssthresh = 0x7fffffff;
+        tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
         tp->snd_cwnd_clamp = ~0;
         tp->mss_cache = 536;
 
@@ -1969,7 +1969,8 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
                    jiffies_to_clock_t(icsk->icsk_rto),
                    jiffies_to_clock_t(icsk->icsk_ack.ato),
                    (icsk->icsk_ack.quick << 1 ) | icsk->icsk_ack.pingpong,
-                   tp->snd_cwnd, tp->snd_ssthresh>=0xFFFF?-1:tp->snd_ssthresh
+                   tp->snd_cwnd,
+                   tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh
                    );
 }
 
@@ -2093,7 +2094,7 @@ struct proto tcpv6_prot = {
 #endif
 };
 
-static struct inet6_protocol tcpv6_protocol = {
+static const struct inet6_protocol tcpv6_protocol = {
         .handler        =       tcp_v6_rcv,
         .err_handler    =       tcp_v6_err,
         .gso_send_check =       tcp_v6_gso_send_check,
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 633ad789effc..51e2832d13a6 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -133,13 +133,13 @@ static void tunnel6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                         break;
 }
 
-static struct inet6_protocol tunnel6_protocol = {
+static const struct inet6_protocol tunnel6_protocol = {
         .handler        = tunnel6_rcv,
         .err_handler    = tunnel6_err,
         .flags          = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
 
-static struct inet6_protocol tunnel46_protocol = {
+static const struct inet6_protocol tunnel46_protocol = {
         .handler        = tunnel46_rcv,
         .err_handler    = tunnel6_err,
         .flags          = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 164040613c2e..b265b7047d3e 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1172,7 +1172,7 @@ out:
         return segs;
 }
 
-static struct inet6_protocol udpv6_protocol = {
+static const struct inet6_protocol udpv6_protocol = {
         .handler        =       udpv6_rcv,
         .err_handler    =       udpv6_err,
         .gso_send_check =       udp6_ufo_send_check,
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 4818c48688f2..d737a27ee010 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -25,7 +25,7 @@ static void udplitev6_err(struct sk_buff *skb,
         __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table);
 }
 
-static struct inet6_protocol udplitev6_protocol = {
+static const struct inet6_protocol udplitev6_protocol = {
         .handler        =       udplitev6_rcv,
         .err_handler    =       udplitev6_err,
         .flags          =       INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 49c15b48408e..d985d163dcfc 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -34,7 +34,7 @@
 
 static char iucv_userid[80];
 
-static struct proto_ops iucv_sock_ops;
+static const struct proto_ops iucv_sock_ops;
 
 static struct proto iucv_proto = {
         .name           = "AF_IUCV",
@@ -59,8 +59,8 @@ do {									\
         DEFINE_WAIT(__wait);                                            \
         long __timeo = timeo;                                           \
         ret = 0;                                                        \
+        prepare_to_wait(sk->sk_sleep, &__wait, TASK_INTERRUPTIBLE);     \
         while (!(condition)) {                                          \
-                prepare_to_wait(sk->sk_sleep, &__wait, TASK_INTERRUPTIBLE); \
                 if (!__timeo) {                                         \
                         ret = -EAGAIN;                                  \
                         break;                                          \
@@ -361,10 +361,9 @@ static void iucv_sock_cleanup_listen(struct sock *parent)
         }
 
         parent->sk_state = IUCV_CLOSED;
-        sock_set_flag(parent, SOCK_ZAPPED);
 }
 
-/* Kill socket */
+/* Kill socket (only if zapped and orphaned) */
 static void iucv_sock_kill(struct sock *sk)
 {
         if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket)
@@ -426,17 +425,18 @@ static void iucv_sock_close(struct sock *sk)
 
                 skb_queue_purge(&iucv->send_skb_q);
                 skb_queue_purge(&iucv->backlog_skb_q);
-
-                sock_set_flag(sk, SOCK_ZAPPED);
                 break;
 
         default:
                 sock_set_flag(sk, SOCK_ZAPPED);
+                /* nothing to do here */
                 break;
         }
 
+        /* mark socket for deletion by iucv_sock_kill() */
+        sock_set_flag(sk, SOCK_ZAPPED);
+
         release_sock(sk);
-        iucv_sock_kill(sk);
 }
 
 static void iucv_sock_init(struct sock *sk, struct sock *parent)
@@ -569,6 +569,7 @@ struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock)
 
                 if (sk->sk_state == IUCV_CONNECTED ||
                     sk->sk_state == IUCV_SEVERED ||
+                    sk->sk_state == IUCV_DISCONN ||     /* due to PM restore */
                     !newsock) {
                         iucv_accept_unlink(sk);
                         if (newsock)
@@ -1035,6 +1036,10 @@ out:
         return err;
 }
 
+/* iucv_fragment_skb() - Fragment a single IUCV message into multiple skb's
+ *
+ * Locking: must be called with message_q.lock held
+ */
 static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len)
 {
         int dataleft, size, copied = 0;
@@ -1069,6 +1074,10 @@ static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len)
         return 0;
 }
 
+/* iucv_process_message() - Receive a single outstanding IUCV message
+ *
+ * Locking: must be called with message_q.lock held
+ */
 static void iucv_process_message(struct sock *sk, struct sk_buff *skb,
                                  struct iucv_path *path,
                                  struct iucv_message *msg)
@@ -1119,6 +1128,10 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb,
                 skb_queue_head(&iucv_sk(sk)->backlog_skb_q, skb);
 }
 
+/* iucv_process_message_q() - Process outstanding IUCV messages
+ *
+ * Locking: must be called with message_q.lock held
+ */
 static void iucv_process_message_q(struct sock *sk)
 {
         struct iucv_sock *iucv = iucv_sk(sk);
@@ -1209,6 +1222,7 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                 kfree_skb(skb);
 
                 /* Queue backlog skbs */
+                spin_lock_bh(&iucv->message_q.lock);
                 rskb = skb_dequeue(&iucv->backlog_skb_q);
                 while (rskb) {
                         if (sock_queue_rcv_skb(sk, rskb)) {
@@ -1220,11 +1234,10 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                         }
                 }
                 if (skb_queue_empty(&iucv->backlog_skb_q)) {
-                        spin_lock_bh(&iucv->message_q.lock);
                         if (!list_empty(&iucv->message_q.list))
                                 iucv_process_message_q(sk);
-                        spin_unlock_bh(&iucv->message_q.lock);
                 }
+                spin_unlock_bh(&iucv->message_q.lock);
         }
 
 done:
@@ -1682,7 +1695,7 @@ static void iucv_callback_shutdown(struct iucv_path *path, u8 ipuser[16])
         bh_unlock_sock(sk);
 }
 
-static struct proto_ops iucv_sock_ops = {
+static const struct proto_ops iucv_sock_ops = {
         .family         = PF_IUCV,
         .owner          = THIS_MODULE,
         .release        = iucv_sock_release,
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index c833481d32e3..3973d0e61e56 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -79,6 +79,14 @@ static int iucv_bus_match(struct device *dev, struct device_driver *drv)
         return 0;
 }
 
+enum iucv_pm_states {
+        IUCV_PM_INITIAL = 0,
+        IUCV_PM_FREEZING = 1,
+        IUCV_PM_THAWING = 2,
+        IUCV_PM_RESTORING = 3,
+};
+static enum iucv_pm_states iucv_pm_state;
+
 static int iucv_pm_prepare(struct device *);
 static void iucv_pm_complete(struct device *);
 static int iucv_pm_freeze(struct device *);
@@ -354,7 +362,7 @@ static int iucv_query_maxconn(void)
                 "       srl     %0,28\n"
                 : "=d" (ccode), "+d" (reg0), "+d" (reg1) : : "cc");
         if (ccode == 0)
-                iucv_max_pathid = reg0;
+                iucv_max_pathid = reg1;
         kfree(param);
         return ccode ? -EPERM : 0;
 }
@@ -856,7 +864,7 @@ int iucv_path_accept(struct iucv_path *path, struct iucv_handler *handler,
         int rc;
 
         local_bh_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -905,7 +913,7 @@ int iucv_path_connect(struct iucv_path *path, struct iucv_handler *handler,
 
         spin_lock_bh(&iucv_table_lock);
         iucv_cleanup_queue();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -965,7 +973,7 @@ int iucv_path_quiesce(struct iucv_path *path, u8 userdata[16])
         int rc;
 
         local_bh_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -997,7 +1005,7 @@ int iucv_path_resume(struct iucv_path *path, u8 userdata[16])
         int rc;
 
         local_bh_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1026,7 +1034,7 @@ int iucv_path_sever(struct iucv_path *path, u8 userdata[16])
         int rc;
 
         preempt_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1060,7 +1068,7 @@ int iucv_message_purge(struct iucv_path *path, struct iucv_message *msg,
         int rc;
 
         local_bh_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1152,7 +1160,7 @@ int __iucv_message_receive(struct iucv_path *path, struct iucv_message *msg,
         if (msg->flags & IUCV_IPRMDATA)
                 return iucv_message_receive_iprmdata(path, msg, flags,
                                                      buffer, size, residual);
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1225,7 +1233,7 @@ int iucv_message_reject(struct iucv_path *path, struct iucv_message *msg)
         int rc;
 
         local_bh_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1264,7 +1272,7 @@ int iucv_message_reply(struct iucv_path *path, struct iucv_message *msg,
         int rc;
 
         local_bh_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1314,7 +1322,7 @@ int __iucv_message_send(struct iucv_path *path, struct iucv_message *msg,
         union iucv_param *parm;
         int rc;
 
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1401,7 +1409,7 @@ int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg,
         int rc;
 
         local_bh_disable();
-        if (!cpu_isset(smp_processor_id(), iucv_buffer_cpumask)) {
+        if (cpus_empty(iucv_buffer_cpumask)) {
                 rc = -EIO;
                 goto out;
         }
@@ -1875,6 +1883,7 @@ static int iucv_pm_freeze(struct device *dev)
 #ifdef CONFIG_PM_DEBUG
         printk(KERN_WARNING "iucv_pm_freeze\n");
 #endif
+        iucv_pm_state = IUCV_PM_FREEZING;
         for_each_cpu_mask_nr(cpu, iucv_irq_cpumask)
                 smp_call_function_single(cpu, iucv_block_cpu_almost, NULL, 1);
         if (dev->driver && dev->driver->pm && dev->driver->pm->freeze)
@@ -1899,6 +1908,7 @@ static int iucv_pm_thaw(struct device *dev)
 #ifdef CONFIG_PM_DEBUG
         printk(KERN_WARNING "iucv_pm_thaw\n");
 #endif
+        iucv_pm_state = IUCV_PM_THAWING;
         if (!iucv_path_table) {
                 rc = iucv_enable();
                 if (rc)
@@ -1933,6 +1943,10 @@ static int iucv_pm_restore(struct device *dev)
 #ifdef CONFIG_PM_DEBUG
         printk(KERN_WARNING "iucv_pm_restore %p\n", iucv_path_table);
 #endif
+        if ((iucv_pm_state != IUCV_PM_RESTORING) && iucv_path_table)
+                pr_warning("Suspending Linux did not completely close all IUCV "
+                        "connections\n");
+        iucv_pm_state = IUCV_PM_RESTORING;
         if (cpus_empty(iucv_irq_cpumask)) {
                 rc = iucv_query_maxconn();
                 rc = iucv_enable();
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 7c5142988bbb..6e5d68b4e427 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -418,7 +418,7 @@ minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband,
 
                         /* contention window */
                         tx_time_single += t_slot + min(cw, mp->cw_max);
-                        cw = (cw + 1) << 1;
+                        cw = (cw << 1) | 1;
 
                         tx_time += tx_time_single;
                         tx_time_cts += tx_time_single + mi->sp_ack_dur;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index d0ff382c40ca..c5aab6a368ce 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -177,9 +177,11 @@ static void netlink_sock_destruct(struct sock *sk)
  * this, _but_ remember, it adds useless work on UP machines.
  */
 
-static void netlink_table_grab(void)
+void netlink_table_grab(void)
         __acquires(nl_table_lock)
 {
+        might_sleep();
+
         write_lock_irq(&nl_table_lock);
 
         if (atomic_read(&nl_table_users)) {
@@ -200,7 +202,7 @@ static void netlink_table_grab(void)
         }
 }
 
-static void netlink_table_ungrab(void)
+void netlink_table_ungrab(void)
         __releases(nl_table_lock)
 {
         write_unlock_irq(&nl_table_lock);
@@ -1549,37 +1551,21 @@ static void netlink_free_old_listeners(struct rcu_head *rcu_head)
         kfree(lrh->ptr);
 }
 
-/**
- * netlink_change_ngroups - change number of multicast groups
- *
- * This changes the number of multicast groups that are available
- * on a certain netlink family. Note that it is not possible to
- * change the number of groups to below 32. Also note that it does
- * not implicitly call netlink_clear_multicast_users() when the
- * number of groups is reduced.
- *
- * @sk: The kernel netlink socket, as returned by netlink_kernel_create().
- * @groups: The new number of groups.
- */
-int netlink_change_ngroups(struct sock *sk, unsigned int groups)
+int __netlink_change_ngroups(struct sock *sk, unsigned int groups)
 {
         unsigned long *listeners, *old = NULL;
         struct listeners_rcu_head *old_rcu_head;
         struct netlink_table *tbl = &nl_table[sk->sk_protocol];
-        int err = 0;
 
         if (groups < 32)
                 groups = 32;
 
-        netlink_table_grab();
         if (NLGRPSZ(tbl->groups) < NLGRPSZ(groups)) {
                 listeners = kzalloc(NLGRPSZ(groups) +
                                     sizeof(struct listeners_rcu_head),
                                     GFP_ATOMIC);
-                if (!listeners) {
-                        err = -ENOMEM;
-                        goto out_ungrab;
-                }
+                if (!listeners)
+                        return -ENOMEM;
                 old = tbl->listeners;
                 memcpy(listeners, old, NLGRPSZ(tbl->groups));
                 rcu_assign_pointer(tbl->listeners, listeners);
@@ -1597,8 +1583,29 @@ int netlink_change_ngroups(struct sock *sk, unsigned int groups)
         }
         tbl->groups = groups;
 
- out_ungrab:
+        return 0;
+}
+
+/**
+ * netlink_change_ngroups - change number of multicast groups
+ *
+ * This changes the number of multicast groups that are available
+ * on a certain netlink family. Note that it is not possible to
+ * change the number of groups to below 32. Also note that it does
+ * not implicitly call netlink_clear_multicast_users() when the
+ * number of groups is reduced.
+ *
+ * @sk: The kernel netlink socket, as returned by netlink_kernel_create().
+ * @groups: The new number of groups.
+ */
+int netlink_change_ngroups(struct sock *sk, unsigned int groups)
+{
+        int err;
+
+        netlink_table_grab();
+        err = __netlink_change_ngroups(sk, groups);
         netlink_table_ungrab();
+
         return err;
 }
 
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 66f6ba0bab11..566941e03363 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -176,9 +176,10 @@ int genl_register_mc_group(struct genl_family *family,
         if (family->netnsok) {
                 struct net *net;
 
+                netlink_table_grab();
                 rcu_read_lock();
                 for_each_net_rcu(net) {
-                        err = netlink_change_ngroups(net->genl_sock,
+                        err = __netlink_change_ngroups(net->genl_sock,
                                         mc_groups_longs * BITS_PER_LONG);
                         if (err) {
                                 /*
@@ -188,10 +189,12 @@ int genl_register_mc_group(struct genl_family *family,
                                  * increased on some sockets which is ok.
                                  */
                                 rcu_read_unlock();
+                                netlink_table_ungrab();
                                 goto out;
                         }
                 }
                 rcu_read_unlock();
+                netlink_table_ungrab();
         } else {
                 err = netlink_change_ngroups(init_net.genl_sock,
                                              mc_groups_longs * BITS_PER_LONG);
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 2f65dcaed2fb..5f42f30dd168 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -209,7 +209,14 @@ static int phonet_device_autoconf(struct net_device *dev)
                                                 SIOCPNGAUTOCONF);
         if (ret < 0)
                 return ret;
-        return phonet_address_add(dev, req.ifr_phonet_autoconf.device);
+
+        ASSERT_RTNL();
+        ret = phonet_address_add(dev, req.ifr_phonet_autoconf.device);
+        if (ret)
+                return ret;
+        phonet_address_notify(RTM_NEWADDR, dev,
+                                req.ifr_phonet_autoconf.device);
+        return 0;
 }
 
 /* notify Phonet of device events */
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 108ed2e671c5..6b58aeff4c7a 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -359,7 +359,7 @@ static struct proto rds_proto = {
         .obj_size = sizeof(struct rds_sock),
 };
 
-static struct proto_ops rds_proto_ops = {
+static const struct proto_ops rds_proto_ops = {
         .family =       AF_RDS,
         .owner =        THIS_MODULE,
         .release =      rds_release,
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index e5f478ca3d61..1e166c9685aa 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -63,7 +63,7 @@ int sysctl_rose_window_size             = ROSE_DEFAULT_WINDOW_SIZE;
 static HLIST_HEAD(rose_list);
 static DEFINE_SPINLOCK(rose_list_lock);
 
-static struct proto_ops rose_proto_ops;
+static const struct proto_ops rose_proto_ops;
 
 ax25_address rose_callsign;
 
@@ -1515,7 +1515,7 @@ static struct net_proto_family rose_family_ops = {
         .owner          =       THIS_MODULE,
 };
 
-static struct proto_ops rose_proto_ops = {
+static const struct proto_ops rose_proto_ops = {
         .family         =       PF_ROSE,
         .owner          =       THIS_MODULE,
         .release        =       rose_release,
diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c
index c9f1f0a3a2ff..b4a220977031 100644
--- a/net/rxrpc/ar-ack.c
+++ b/net/rxrpc/ar-ack.c
@@ -40,7 +40,7 @@ static const s8 rxrpc_ack_priority[] = {
 /*
  * propose an ACK be sent
  */
-void __rxrpc_propose_ACK(struct rxrpc_call *call, uint8_t ack_reason,
+void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
                          __be32 serial, bool immediate)
 {
         unsigned long expiry;
@@ -120,7 +120,7 @@ cancel_timer:
 /*
  * propose an ACK be sent, locking the call structure
  */
-void rxrpc_propose_ACK(struct rxrpc_call *call, uint8_t ack_reason,
+void rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
                        __be32 serial, bool immediate)
 {
         s8 prior = rxrpc_ack_priority[ack_reason];
@@ -520,7 +520,7 @@ static void rxrpc_zap_tx_window(struct rxrpc_call *call)
         struct rxrpc_skb_priv *sp;
         struct sk_buff *skb;
         unsigned long _skb, *acks_window;
-        uint8_t winsz = call->acks_winsz;
+        u8 winsz = call->acks_winsz;
         int tail;
 
         acks_window = call->acks_window;
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 3e7318c1343c..7043b294bb67 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -229,7 +229,7 @@ struct rxrpc_conn_bundle {
         int                     debug_id;       /* debug ID for printks */
         unsigned short          num_conns;      /* number of connections in this bundle */
         __be16                  service_id;     /* service ID */
-        uint8_t                 security_ix;    /* security type */
+        u8                      security_ix;    /* security type */
 };
 
 /*
@@ -370,10 +370,10 @@ struct rxrpc_call {
         u8                      channel;        /* connection channel occupied by this call */
 
         /* transmission-phase ACK management */
-        uint8_t                 acks_head;      /* offset into window of first entry */
-        uint8_t                 acks_tail;      /* offset into window of last entry */
-        uint8_t                 acks_winsz;     /* size of un-ACK'd window */
-        uint8_t                 acks_unacked;   /* lowest unacked packet in last ACK received */
+        u8                      acks_head;      /* offset into window of first entry */
+        u8                      acks_tail;      /* offset into window of last entry */
+        u8                      acks_winsz;     /* size of un-ACK'd window */
+        u8                      acks_unacked;   /* lowest unacked packet in last ACK received */
         int                     acks_latest;    /* serial number of latest ACK received */
         rxrpc_seq_t             acks_hard;      /* highest definitively ACK'd msg seq */
         unsigned long           *acks_window;   /* sent packet window
@@ -388,7 +388,7 @@ struct rxrpc_call {
         rxrpc_seq_t             rx_first_oos;   /* first packet in rx_oos_queue (or 0) */
         rxrpc_seq_t             ackr_win_top;   /* top of ACK window (rx_data_eaten is bottom) */
         rxrpc_seq_net_t         ackr_prev_seq;  /* previous sequence number received */
-        uint8_t                 ackr_reason;    /* reason to ACK */
+        u8                      ackr_reason;    /* reason to ACK */
         __be32                  ackr_serial;    /* serial of packet being ACK'd */
         atomic_t                ackr_not_idle;  /* number of packets in Rx queue */
 
@@ -402,22 +402,6 @@ struct rxrpc_call {
 };
 
 /*
- * RxRPC key for Kerberos (type-2 security)
- */
-struct rxkad_key {
-        u16     security_index;         /* RxRPC header security index */
-        u16     ticket_len;             /* length of ticket[] */
-        u32     expiry;                 /* time at which expires */
-        u32     kvno;                   /* key version number */
-        u8      session_key[8];         /* DES session key */
-        u8      ticket[0];              /* the encrypted ticket */
-};
-
-struct rxrpc_key_payload {
-        struct rxkad_key k;
-};
-
-/*
  * locally abort an RxRPC call
  */
 static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code)
@@ -450,8 +434,8 @@ extern int rxrpc_reject_call(struct rxrpc_sock *);
 /*
  * ar-ack.c
  */
-extern void __rxrpc_propose_ACK(struct rxrpc_call *, uint8_t, __be32, bool);
-extern void rxrpc_propose_ACK(struct rxrpc_call *, uint8_t, __be32, bool);
+extern void __rxrpc_propose_ACK(struct rxrpc_call *, u8, __be32, bool);
+extern void rxrpc_propose_ACK(struct rxrpc_call *, u8, __be32, bool);
 extern void rxrpc_process_call(struct work_struct *);
 
 /*
diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index ad8c7a782da1..74697b200496 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -17,6 +17,7 @@
 #include <linux/skbuff.h>
 #include <linux/key-type.h>
 #include <linux/crypto.h>
+#include <linux/ctype.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include <keys/rxrpc-type.h>
@@ -28,6 +29,7 @@ static int rxrpc_instantiate_s(struct key *, const void *, size_t);
 static void rxrpc_destroy(struct key *);
 static void rxrpc_destroy_s(struct key *);
 static void rxrpc_describe(const struct key *, struct seq_file *);
+static long rxrpc_read(const struct key *, char __user *, size_t);
 
 /*
  * rxrpc defined keys take an arbitrary string as the description and an
@@ -39,6 +41,7 @@ struct key_type key_type_rxrpc = {
         .match          = user_match,
         .destroy        = rxrpc_destroy,
         .describe       = rxrpc_describe,
+        .read           = rxrpc_read,
 };
 EXPORT_SYMBOL(key_type_rxrpc);
 
@@ -55,6 +58,595 @@ struct key_type key_type_rxrpc_s = {
 };
 
 /*
+ * parse an RxKAD type XDR format token
+ * - the caller guarantees we have at least 4 words
+ */
+static int rxrpc_instantiate_xdr_rxkad(struct key *key, const __be32 *xdr,
+                                       unsigned toklen)
+{
+        struct rxrpc_key_token *token, **pptoken;
+        size_t plen;
+        u32 tktlen;
+        int ret;
+
+        _enter(",{%x,%x,%x,%x},%u",
+               ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), ntohl(xdr[3]),
+               toklen);
+
+        if (toklen <= 8 * 4)
+                return -EKEYREJECTED;
+        tktlen = ntohl(xdr[7]);
+        _debug("tktlen: %x", tktlen);
+        if (tktlen > AFSTOKEN_RK_TIX_MAX)
+                return -EKEYREJECTED;
+        if (8 * 4 + tktlen != toklen)
+                return -EKEYREJECTED;
+
+        plen = sizeof(*token) + sizeof(*token->kad) + tktlen;
+        ret = key_payload_reserve(key, key->datalen + plen);
+        if (ret < 0)
+                return ret;
+
+        plen -= sizeof(*token);
+        token = kmalloc(sizeof(*token), GFP_KERNEL);
+        if (!token)
+                return -ENOMEM;
+
+        token->kad = kmalloc(plen, GFP_KERNEL);
+        if (!token->kad) {
+                kfree(token);
+                return -ENOMEM;
+        }
+
+        token->security_index   = RXRPC_SECURITY_RXKAD;
+        token->kad->ticket_len  = tktlen;
+        token->kad->vice_id     = ntohl(xdr[0]);
+        token->kad->kvno        = ntohl(xdr[1]);
+        token->kad->start       = ntohl(xdr[4]);
+        token->kad->expiry      = ntohl(xdr[5]);
+        token->kad->primary_flag = ntohl(xdr[6]);
+        memcpy(&token->kad->session_key, &xdr[2], 8);
+        memcpy(&token->kad->ticket, &xdr[8], tktlen);
+
+        _debug("SCIX: %u", token->security_index);
+        _debug("TLEN: %u", token->kad->ticket_len);
+        _debug("EXPY: %x", token->kad->expiry);
+        _debug("KVNO: %u", token->kad->kvno);
+        _debug("PRIM: %u", token->kad->primary_flag);
+        _debug("SKEY: %02x%02x%02x%02x%02x%02x%02x%02x",
+               token->kad->session_key[0], token->kad->session_key[1],
+               token->kad->session_key[2], token->kad->session_key[3],
+               token->kad->session_key[4], token->kad->session_key[5],
+               token->kad->session_key[6], token->kad->session_key[7]);
+        if (token->kad->ticket_len >= 8)
+                _debug("TCKT: %02x%02x%02x%02x%02x%02x%02x%02x",
+                       token->kad->ticket[0], token->kad->ticket[1],
+                       token->kad->ticket[2], token->kad->ticket[3],
+                       token->kad->ticket[4], token->kad->ticket[5],
+                       token->kad->ticket[6], token->kad->ticket[7]);
+
+        /* count the number of tokens attached */
+        key->type_data.x[0]++;
+
+        /* attach the data */
+        for (pptoken = (struct rxrpc_key_token **)&key->payload.data;
+             *pptoken;
+             pptoken = &(*pptoken)->next)
+                continue;
+        *pptoken = token;
+        if (token->kad->expiry < key->expiry)
+                key->expiry = token->kad->expiry;
+
+        _leave(" = 0");
+        return 0;
+}
+
+static void rxrpc_free_krb5_principal(struct krb5_principal *princ)
+{
+        int loop;
+
+        if (princ->name_parts) {
+                for (loop = princ->n_name_parts - 1; loop >= 0; loop--)
+                        kfree(princ->name_parts[loop]);
+                kfree(princ->name_parts);
+        }
+        kfree(princ->realm);
+}
+
+static void rxrpc_free_krb5_tagged(struct krb5_tagged_data *td)
+{
+        kfree(td->data);
+}
+
+/*
+ * free up an RxK5 token
+ */
+static void rxrpc_rxk5_free(struct rxk5_key *rxk5)
+{
+        int loop;
+
+        rxrpc_free_krb5_principal(&rxk5->client);
+        rxrpc_free_krb5_principal(&rxk5->server);
+        rxrpc_free_krb5_tagged(&rxk5->session);
+
+        if (rxk5->addresses) {
+                for (loop = rxk5->n_addresses - 1; loop >= 0; loop--)
+                        rxrpc_free_krb5_tagged(&rxk5->addresses[loop]);
+                kfree(rxk5->addresses);
+        }
+        if (rxk5->authdata) {
+                for (loop = rxk5->n_authdata - 1; loop >= 0; loop--)
+                        rxrpc_free_krb5_tagged(&rxk5->authdata[loop]);
+                kfree(rxk5->authdata);
+        }
+
+        kfree(rxk5->ticket);
+        kfree(rxk5->ticket2);
+        kfree(rxk5);
+}
+
+/*
+ * extract a krb5 principal
+ */
+static int rxrpc_krb5_decode_principal(struct krb5_principal *princ,
+                                       const __be32 **_xdr,
+                                       unsigned *_toklen)
+{
+        const __be32 *xdr = *_xdr;
+        unsigned toklen = *_toklen, n_parts, loop, tmp;
+
+        /* there must be at least one name, and at least #names+1 length
+         * words */
+        if (toklen <= 12)
+                return -EINVAL;
+
+        _enter(",{%x,%x,%x},%u",
+               ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), toklen);
+
+        n_parts = ntohl(*xdr++);
+        toklen -= 4;
+        if (n_parts <= 0 || n_parts > AFSTOKEN_K5_COMPONENTS_MAX)
+                return -EINVAL;
+        princ->n_name_parts = n_parts;
+
+        if (toklen <= (n_parts + 1) * 4)
+                return -EINVAL;
+
+        princ->name_parts = kcalloc(sizeof(char *), n_parts, GFP_KERNEL);
+        if (!princ->name_parts)
+                return -ENOMEM;
+
+        for (loop = 0; loop < n_parts; loop++) {
+                if (toklen < 4)
+                        return -EINVAL;
+                tmp = ntohl(*xdr++);
+                toklen -= 4;
+                if (tmp <= 0 || tmp > AFSTOKEN_STRING_MAX)
+                        return -EINVAL;
+                if (tmp > toklen)
+                        return -EINVAL;
+                princ->name_parts[loop] = kmalloc(tmp + 1, GFP_KERNEL);
+                if (!princ->name_parts[loop])
+                        return -ENOMEM;
+                memcpy(princ->name_parts[loop], xdr, tmp);
+                princ->name_parts[loop][tmp] = 0;
+                tmp = (tmp + 3) & ~3;
+                toklen -= tmp;
+                xdr += tmp >> 2;
+        }
+
+        if (toklen < 4)
+                return -EINVAL;
+        tmp = ntohl(*xdr++);
+        toklen -= 4;
+        if (tmp <= 0 || tmp > AFSTOKEN_K5_REALM_MAX)
+                return -EINVAL;
+        if (tmp > toklen)
+                return -EINVAL;
+        princ->realm = kmalloc(tmp + 1, GFP_KERNEL);
+        if (!princ->realm)
+                return -ENOMEM;
+        memcpy(princ->realm, xdr, tmp);
+        princ->realm[tmp] = 0;
+        tmp = (tmp + 3) & ~3;
+        toklen -= tmp;
+        xdr += tmp >> 2;
+
+        _debug("%s/...@%s", princ->name_parts[0], princ->realm);
+
+        *_xdr = xdr;
+        *_toklen = toklen;
+        _leave(" = 0 [toklen=%u]", toklen);
+        return 0;
+}
+
+/*
+ * extract a piece of krb5 tagged data
+ */
+static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td,
+                                         size_t max_data_size,
+                                         const __be32 **_xdr,
+                                         unsigned *_toklen)
+{
+        const __be32 *xdr = *_xdr;
+        unsigned toklen = *_toklen, len;
+
+        /* there must be at least one tag and one length word */
+        if (toklen <= 8)
+                return -EINVAL;
+
+        _enter(",%zu,{%x,%x},%u",
+               max_data_size, ntohl(xdr[0]), ntohl(xdr[1]), toklen);
+
+        td->tag = ntohl(*xdr++);
+        len = ntohl(*xdr++);
+        toklen -= 8;
+        if (len > max_data_size)
+                return -EINVAL;
+        td->data_len = len;
+
+        if (len > 0) {
+                td->data = kmalloc(len, GFP_KERNEL);
+                if (!td->data)
+                        return -ENOMEM;
+                memcpy(td->data, xdr, len);
+                len = (len + 3) & ~3;
+                toklen -= len;
+                xdr += len >> 2;
+        }
+
+        _debug("tag %x len %x", td->tag, td->data_len);
+
+        *_xdr = xdr;
+        *_toklen = toklen;
+        _leave(" = 0 [toklen=%u]", toklen);
+        return 0;
+}
+
+/*
+ * extract an array of tagged data
+ */
+static int rxrpc_krb5_decode_tagged_array(struct krb5_tagged_data **_td,
+                                          u8 *_n_elem,
+                                          u8 max_n_elem,
+                                          size_t max_elem_size,
+                                          const __be32 **_xdr,
+                                          unsigned *_toklen)
+{
+        struct krb5_tagged_data *td;
+        const __be32 *xdr = *_xdr;
+        unsigned toklen = *_toklen, n_elem, loop;
+        int ret;
+
+        /* there must be at least one count */
+        if (toklen < 4)
+                return -EINVAL;
+
+        _enter(",,%u,%zu,{%x},%u",
+               max_n_elem, max_elem_size, ntohl(xdr[0]), toklen);
+
+        n_elem = ntohl(*xdr++);
+        toklen -= 4;
+        if (n_elem < 0 || n_elem > max_n_elem)
+                return -EINVAL;
+        *_n_elem = n_elem;
+        if (n_elem > 0) {
+                if (toklen <= (n_elem + 1) * 4)
+                        return -EINVAL;
+
+                _debug("n_elem %d", n_elem);
+
+                td = kcalloc(sizeof(struct krb5_tagged_data), n_elem,
+                             GFP_KERNEL);
+                if (!td)
+                        return -ENOMEM;
+                *_td = td;
+
+                for (loop = 0; loop < n_elem; loop++) {
+                        ret = rxrpc_krb5_decode_tagged_data(&td[loop],
+                                                            max_elem_size,
+                                                            &xdr, &toklen);
+                        if (ret < 0)
+                                return ret;
+                }
+        }
+
+        *_xdr = xdr;
+        *_toklen = toklen;
+        _leave(" = 0 [toklen=%u]", toklen);
+        return 0;
+}
+
+/*
+ * extract a krb5 ticket
+ */
+static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen,
+                                    const __be32 **_xdr, unsigned *_toklen)
+{
+        const __be32 *xdr = *_xdr;
+        unsigned toklen = *_toklen, len;
+
+        /* there must be at least one length word */
+        if (toklen <= 4)
+                return -EINVAL;
+
+        _enter(",{%x},%u", ntohl(xdr[0]), toklen);
+
+        len = ntohl(*xdr++);
+        toklen -= 4;
+        if (len > AFSTOKEN_K5_TIX_MAX)
+                return -EINVAL;
+        *_tktlen = len;
+
+        _debug("ticket len %u", len);
+
+        if (len > 0) {
+                *_ticket = kmalloc(len, GFP_KERNEL);
+                if (!*_ticket)
+                        return -ENOMEM;
+                memcpy(*_ticket, xdr, len);
+                len = (len + 3) & ~3;
+                toklen -= len;
+                xdr += len >> 2;
+        }
+
+        *_xdr = xdr;
+        *_toklen = toklen;
+        _leave(" = 0 [toklen=%u]", toklen);
+        return 0;
+}
+
+/*
+ * parse an RxK5 type XDR format token
+ * - the caller guarantees we have at least 4 words
+ */
+static int rxrpc_instantiate_xdr_rxk5(struct key *key, const __be32 *xdr,
+                                      unsigned toklen)
+{
+        struct rxrpc_key_token *token, **pptoken;
+        struct rxk5_key *rxk5;
+        const __be32 *end_xdr = xdr + (toklen >> 2);
+        int ret;
+
+        _enter(",{%x,%x,%x,%x},%u",
+               ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), ntohl(xdr[3]),
+               toklen);
+
+        /* reserve some payload space for this subkey - the length of the token
+         * is a reasonable approximation */
+        ret = key_payload_reserve(key, key->datalen + toklen);
+        if (ret < 0)
+                return ret;
+
+        token = kzalloc(sizeof(*token), GFP_KERNEL);
+        if (!token)
+                return -ENOMEM;
+
+        rxk5 = kzalloc(sizeof(*rxk5), GFP_KERNEL);
+        if (!rxk5) {
+                kfree(token);
+                return -ENOMEM;
+        }
+
+        token->security_index = RXRPC_SECURITY_RXK5;
+        token->k5 = rxk5;
+
+        /* extract the principals */
+        ret = rxrpc_krb5_decode_principal(&rxk5->client, &xdr, &toklen);
+        if (ret < 0)
+                goto error;
+        ret = rxrpc_krb5_decode_principal(&rxk5->server, &xdr, &toklen);
+        if (ret < 0)
+                goto error;
+
+        /* extract the session key and the encoding type (the tag field ->
+         * ENCTYPE_xxx) */
+        ret = rxrpc_krb5_decode_tagged_data(&rxk5->session, AFSTOKEN_DATA_MAX,
+                                            &xdr, &toklen);
+        if (ret < 0)
+                goto error;
+
+        if (toklen < 4 * 8 + 2 * 4)
+                goto inval;
+        rxk5->authtime  = be64_to_cpup((const __be64 *) xdr);
+        xdr += 2;
+        rxk5->starttime = be64_to_cpup((const __be64 *) xdr);
+        xdr += 2;
+        rxk5->endtime   = be64_to_cpup((const __be64 *) xdr);
+        xdr += 2;
+        rxk5->renew_till = be64_to_cpup((const __be64 *) xdr);
+        xdr += 2;
+        rxk5->is_skey = ntohl(*xdr++);
+        rxk5->flags = ntohl(*xdr++);
+        toklen -= 4 * 8 + 2 * 4;
+
+        _debug("times: a=%llx s=%llx e=%llx rt=%llx",
+               rxk5->authtime, rxk5->starttime, rxk5->endtime,
+               rxk5->renew_till);
+        _debug("is_skey=%x flags=%x", rxk5->is_skey, rxk5->flags);
+
+        /* extract the permitted client addresses */
+        ret = rxrpc_krb5_decode_tagged_array(&rxk5->addresses,
+                                             &rxk5->n_addresses,
+                                             AFSTOKEN_K5_ADDRESSES_MAX,
+                                             AFSTOKEN_DATA_MAX,
+                                             &xdr, &toklen);
+        if (ret < 0)
+                goto error;
+
+        ASSERTCMP((end_xdr - xdr) << 2, ==, toklen);
+
+        /* extract the tickets */
+        ret = rxrpc_krb5_decode_ticket(&rxk5->ticket, &rxk5->ticket_len,
+                                       &xdr, &toklen);
+        if (ret < 0)
+                goto error;
+        ret = rxrpc_krb5_decode_ticket(&rxk5->ticket2, &rxk5->ticket2_len,
+                                       &xdr, &toklen);
+        if (ret < 0)
+                goto error;
+
+        ASSERTCMP((end_xdr - xdr) << 2, ==, toklen);
+
+        /* extract the typed auth data */
+        ret = rxrpc_krb5_decode_tagged_array(&rxk5->authdata,
+                                             &rxk5->n_authdata,
+                                             AFSTOKEN_K5_AUTHDATA_MAX,
+                                             AFSTOKEN_BDATALN_MAX,
+                                             &xdr, &toklen);
+        if (ret < 0)
+                goto error;
+
+        ASSERTCMP((end_xdr - xdr) << 2, ==, toklen);
+
+        if (toklen != 0)
+                goto inval;
+
+        /* attach the payload to the key */
+        for (pptoken = (struct rxrpc_key_token **)&key->payload.data;
+             *pptoken;
+             pptoken = &(*pptoken)->next)
+                continue;
+        *pptoken = token;
+        if (token->kad->expiry < key->expiry)
+                key->expiry = token->kad->expiry;
+
+        _leave(" = 0");
+        return 0;
+
+inval:
+        ret = -EINVAL;
+error:
+        rxrpc_rxk5_free(rxk5);
+        kfree(token);
+        _leave(" = %d", ret);
+        return ret;
+}
+
+/*
+ * attempt to parse the data as the XDR format
+ * - the caller guarantees we have more than 7 words
+ */
+static int rxrpc_instantiate_xdr(struct key *key, const void *data, size_t datalen)
+{
+        const __be32 *xdr = data, *token;
+        const char *cp;
+        unsigned len, tmp, loop, ntoken, toklen, sec_ix;
+        int ret;
+
+        _enter(",{%x,%x,%x,%x},%zu",
+               ntohl(xdr[0]), ntohl(xdr[1]), ntohl(xdr[2]), ntohl(xdr[3]),
+               datalen);
+
+        if (datalen > AFSTOKEN_LENGTH_MAX)
+                goto not_xdr;
+
+        /* XDR is an array of __be32's */
+        if (datalen & 3)
+                goto not_xdr;
+
+        /* the flags should be 0 (the setpag bit must be handled by
+         * userspace) */
+        if (ntohl(*xdr++) != 0)
+                goto not_xdr;
+        datalen -= 4;
+
+        /* check the cell name */
+        len = ntohl(*xdr++);
+        if (len < 1 || len > AFSTOKEN_CELL_MAX)
+                goto not_xdr;
+        datalen -= 4;
+        tmp = (len + 3) & ~3;
+        if (tmp > datalen)
+                goto not_xdr;
+
+        cp = (const char *) xdr;
+        for (loop = 0; loop < len; loop++)
+                if (!isprint(cp[loop]))
+                        goto not_xdr;
+        if (len < tmp)
+                for (; loop < tmp; loop++)
+                        if (cp[loop])
+                                goto not_xdr;
+        _debug("cellname: [%u/%u] '%*.*s'",
+               len, tmp, len, len, (const char *) xdr);
+        datalen -= tmp;
+        xdr += tmp >> 2;
+
+        /* get the token count */
+        if (datalen < 12)
+                goto not_xdr;
+        ntoken = ntohl(*xdr++);
+        datalen -= 4;
+        _debug("ntoken: %x", ntoken);
+        if (ntoken < 1 || ntoken > AFSTOKEN_MAX)
+                goto not_xdr;
+
+        /* check each token wrapper */
+        token = xdr;
+        loop = ntoken;
+        do {
+                if (datalen < 8)
+                        goto not_xdr;
+                toklen = ntohl(*xdr++);
+                sec_ix = ntohl(*xdr);
+                datalen -= 4;
+                _debug("token: [%x/%zx] %x", toklen, datalen, sec_ix);
+                if (toklen < 20 || toklen > datalen)
+                        goto not_xdr;
+                datalen -= (toklen + 3) & ~3;
+                xdr += (toklen + 3) >> 2;
+
+        } while (--loop > 0);
+
+        _debug("remainder: %zu", datalen);
+        if (datalen != 0)
+                goto not_xdr;
+
+        /* okay: we're going to assume it's valid XDR format
+         * - we ignore the cellname, relying on the key to be correctly named
+         */
+        do {
+                xdr = token;
+                toklen = ntohl(*xdr++);
+                token = xdr + ((toklen + 3) >> 2);
+                sec_ix = ntohl(*xdr++);
+                toklen -= 4;
+
+                _debug("TOKEN type=%u [%p-%p]", sec_ix, xdr, token);
+
+                switch (sec_ix) {
+                case RXRPC_SECURITY_RXKAD:
+                        ret = rxrpc_instantiate_xdr_rxkad(key, xdr, toklen);
+                        if (ret != 0)
+                                goto error;
+                        break;
+
+                case RXRPC_SECURITY_RXK5:
+                        ret = rxrpc_instantiate_xdr_rxk5(key, xdr, toklen);
+                        if (ret != 0)
+                                goto error;
+                        break;
+
+                default:
+                        ret = -EPROTONOSUPPORT;
+                        goto error;
+                }
+
+        } while (--ntoken > 0);
+
+        _leave(" = 0");
+        return 0;
+
+not_xdr:
+        _leave(" = -EPROTO");
+        return -EPROTO;
+error:
+        _leave(" = %d", ret);
+        return ret;
+}
+
+/*
  * instantiate an rxrpc defined key
  * data should be of the form:
  *      OFFSET  LEN     CONTENT
@@ -70,8 +662,8 @@ struct key_type key_type_rxrpc_s = {
  */
 static int rxrpc_instantiate(struct key *key, const void *data, size_t datalen)
 {
-        const struct rxkad_key *tsec;
-        struct rxrpc_key_payload *upayload;
+        const struct rxrpc_key_data_v1 *v1;
+        struct rxrpc_key_token *token, **pp;
         size_t plen;
         u32 kver;
         int ret;
@@ -82,6 +674,13 @@ static int rxrpc_instantiate(struct key *key, const void *data, size_t datalen)
         if (!data && datalen == 0)
                 return 0;
 
+        /* determine if the XDR payload format is being used */
+        if (datalen > 7 * 4) {
+                ret = rxrpc_instantiate_xdr(key, data, datalen);
+                if (ret != -EPROTO)
+                        return ret;
+        }
+
         /* get the key interface version number */
         ret = -EINVAL;
         if (datalen <= 4 || !data)
@@ -98,53 +697,67 @@ static int rxrpc_instantiate(struct key *key, const void *data, size_t datalen)
 
         /* deal with a version 1 key */
         ret = -EINVAL;
-        if (datalen < sizeof(*tsec))
+        if (datalen < sizeof(*v1))
                 goto error;
 
-        tsec = data;
-        if (datalen != sizeof(*tsec) + tsec->ticket_len)
+        v1 = data;
+        if (datalen != sizeof(*v1) + v1->ticket_length)
                 goto error;
 
-        _debug("SCIX: %u", tsec->security_index);
-        _debug("TLEN: %u", tsec->ticket_len);
-        _debug("EXPY: %x", tsec->expiry);
-        _debug("KVNO: %u", tsec->kvno);
+        _debug("SCIX: %u", v1->security_index);
+        _debug("TLEN: %u", v1->ticket_length);
+        _debug("EXPY: %x", v1->expiry);
+        _debug("KVNO: %u", v1->kvno);
         _debug("SKEY: %02x%02x%02x%02x%02x%02x%02x%02x",
-               tsec->session_key[0], tsec->session_key[1],
-               tsec->session_key[2], tsec->session_key[3],
-               tsec->session_key[4], tsec->session_key[5],
-               tsec->session_key[6], tsec->session_key[7]);
-        if (tsec->ticket_len >= 8)
+               v1->session_key[0], v1->session_key[1],
+               v1->session_key[2], v1->session_key[3],
+               v1->session_key[4], v1->session_key[5],
+               v1->session_key[6], v1->session_key[7]);
+        if (v1->ticket_length >= 8)
                 _debug("TCKT: %02x%02x%02x%02x%02x%02x%02x%02x",
-                       tsec->ticket[0], tsec->ticket[1],
-                       tsec->ticket[2], tsec->ticket[3],
-                       tsec->ticket[4], tsec->ticket[5],
-                       tsec->ticket[6], tsec->ticket[7]);
+                       v1->ticket[0], v1->ticket[1],
+                       v1->ticket[2], v1->ticket[3],
+                       v1->ticket[4], v1->ticket[5],
+                       v1->ticket[6], v1->ticket[7]);
 
         ret = -EPROTONOSUPPORT;
-        if (tsec->security_index != 2)
+        if (v1->security_index != RXRPC_SECURITY_RXKAD)
                 goto error;
 
-        key->type_data.x[0] = tsec->security_index;
-
-        plen = sizeof(*upayload) + tsec->ticket_len;
-        ret = key_payload_reserve(key, plen);
+        plen = sizeof(*token->kad) + v1->ticket_length;
+        ret = key_payload_reserve(key, plen + sizeof(*token));
         if (ret < 0)
                 goto error;
 
         ret = -ENOMEM;
-        upayload = kmalloc(plen, GFP_KERNEL);
-        if (!upayload)
+        token = kmalloc(sizeof(*token), GFP_KERNEL);
+        if (!token)
                 goto error;
+        token->kad = kmalloc(plen, GFP_KERNEL);
+        if (!token->kad)
+                goto error_free;
+
+        token->security_index           = RXRPC_SECURITY_RXKAD;
+        token->kad->ticket_len          = v1->ticket_length;
+        token->kad->expiry              = v1->expiry;
+        token->kad->kvno                = v1->kvno;
+        memcpy(&token->kad->session_key, &v1->session_key, 8);
+        memcpy(&token->kad->ticket, v1->ticket, v1->ticket_length);
 
         /* attach the data */
-        memcpy(&upayload->k, tsec, sizeof(*tsec));
-        memcpy(&upayload->k.ticket, (void *)tsec + sizeof(*tsec),
-               tsec->ticket_len);
-        key->payload.data = upayload;
-        key->expiry = tsec->expiry;
+        key->type_data.x[0]++;
+
+        pp = (struct rxrpc_key_token **)&key->payload.data;
+        while (*pp)
+                pp = &(*pp)->next;
+        *pp = token;
+        if (token->kad->expiry < key->expiry)
+                key->expiry = token->kad->expiry;
+        token = NULL;
         ret = 0;
 
+error_free:
+        kfree(token);
 error:
         return ret;
 }
@@ -184,7 +797,26 @@ static int rxrpc_instantiate_s(struct key *key, const void *data,
  */
 static void rxrpc_destroy(struct key *key)
 {
-        kfree(key->payload.data);
+        struct rxrpc_key_token *token;
+
+        while ((token = key->payload.data)) {
+                key->payload.data = token->next;
+                switch (token->security_index) {
+                case RXRPC_SECURITY_RXKAD:
+                        kfree(token->kad);
+                        break;
+                case RXRPC_SECURITY_RXK5:
+                        if (token->k5)
+                                rxrpc_rxk5_free(token->k5);
+                        break;
+                default:
+                        printk(KERN_ERR "Unknown token type %x on rxrpc key\n",
+                               token->security_index);
+                        BUG();
+                }
+
+                kfree(token);
+        }
 }
 
 /*
@@ -293,7 +925,7 @@ int rxrpc_get_server_data_key(struct rxrpc_connection *conn,
 
         struct {
                 u32 kver;
-                struct rxkad_key tsec;
+                struct rxrpc_key_data_v1 v1;
         } data;
 
         _enter("");
@@ -308,13 +940,12 @@ int rxrpc_get_server_data_key(struct rxrpc_connection *conn,
         _debug("key %d", key_serial(key));
 
         data.kver = 1;
-        data.tsec.security_index = 2;
-        data.tsec.ticket_len = 0;
-        data.tsec.expiry = expiry;
-        data.tsec.kvno = 0;
+        data.v1.security_index = RXRPC_SECURITY_RXKAD;
+        data.v1.ticket_length = 0;
+        data.v1.expiry = expiry;
+        data.v1.kvno = 0;
 
-        memcpy(&data.tsec.session_key, session_key,
-               sizeof(data.tsec.session_key));
+        memcpy(&data.v1.session_key, session_key, sizeof(data.v1.session_key));
 
         ret = key_instantiate_and_link(key, &data, sizeof(data), NULL, NULL);
         if (ret < 0)
@@ -360,3 +991,210 @@ struct key *rxrpc_get_null_key(const char *keyname)
         return key;
 }
 EXPORT_SYMBOL(rxrpc_get_null_key);
+
+/*
+ * read the contents of an rxrpc key
+ * - this returns the result in XDR form
+ */
+static long rxrpc_read(const struct key *key,
+                       char __user *buffer, size_t buflen)
+{
+        const struct rxrpc_key_token *token;
+        const struct krb5_principal *princ;
+        size_t size;
+        __be32 __user *xdr, *oldxdr;
+        u32 cnlen, toksize, ntoks, tok, zero;
+        u16 toksizes[AFSTOKEN_MAX];
+        int loop;
+
+        _enter("");
+
+        /* we don't know what form we should return non-AFS keys in */
+        if (memcmp(key->description, "afs@", 4) != 0)
+                return -EOPNOTSUPP;
+        cnlen = strlen(key->description + 4);
+
+#define RND(X) (((X) + 3) & ~3)
+
+        /* AFS keys we return in XDR form, so we need to work out the size of
+         * the XDR */
+        size = 2 * 4;   /* flags, cellname len */
+        size += RND(cnlen);     /* cellname */
+        size += 1 * 4;  /* token count */
+
+        ntoks = 0;
+        for (token = key->payload.data; token; token = token->next) {
+                toksize = 4;    /* sec index */
+
+                switch (token->security_index) {
+                case RXRPC_SECURITY_RXKAD:
+                        toksize += 8 * 4;       /* viceid, kvno, key*2, begin,
+                                                 * end, primary, tktlen */
+                        toksize += RND(token->kad->ticket_len);
+                        break;
+
+                case RXRPC_SECURITY_RXK5:
+                        princ = &token->k5->client;
+                        toksize += 4 + princ->n_name_parts * 4;
+                        for (loop = 0; loop < princ->n_name_parts; loop++)
+                                toksize += RND(strlen(princ->name_parts[loop]));
+                        toksize += 4 + RND(strlen(princ->realm));
+
+                        princ = &token->k5->server;
+                        toksize += 4 + princ->n_name_parts * 4;
+                        for (loop = 0; loop < princ->n_name_parts; loop++)
+                                toksize += RND(strlen(princ->name_parts[loop]));
+                        toksize += 4 + RND(strlen(princ->realm));
+
+                        toksize += 8 + RND(token->k5->session.data_len);
+
+                        toksize += 4 * 8 + 2 * 4;
+
+                        toksize += 4 + token->k5->n_addresses * 8;
+                        for (loop = 0; loop < token->k5->n_addresses; loop++)
+                                toksize += RND(token->k5->addresses[loop].data_len);
+
+                        toksize += 4 + RND(token->k5->ticket_len);
+                        toksize += 4 + RND(token->k5->ticket2_len);
+
+                        toksize += 4 + token->k5->n_authdata * 8;
+                        for (loop = 0; loop < token->k5->n_authdata; loop++)
+                                toksize += RND(token->k5->authdata[loop].data_len);
+                        break;
+
+                default: /* we have a ticket we can't encode */
+                        BUG();
+                        continue;
+                }
+
+                _debug("token[%u]: toksize=%u", ntoks, toksize);
+                ASSERTCMP(toksize, <=, AFSTOKEN_LENGTH_MAX);
+
+                toksizes[ntoks++] = toksize;
+                size += toksize + 4; /* each token has a length word */
+        }
+
+#undef RND
+
+        if (!buffer || buflen < size)
+                return size;
+
+        xdr = (__be32 __user *) buffer;
+        zero = 0;
+#define ENCODE(x)                               \
+        do {                                    \
+                __be32 y = htonl(x);            \
+                if (put_user(y, xdr++) < 0)     \
+                        goto fault;             \
+        } while(0)
+#define ENCODE_DATA(l, s)                                               \
+        do {                                                            \
+                u32 _l = (l);                                           \
+                ENCODE(l);                                              \
+                if (copy_to_user(xdr, (s), _l) != 0)                    \
+                        goto fault;                                     \
+                if (_l & 3 &&                                           \
+                    copy_to_user((u8 *)xdr + _l, &zero, 4 - (_l & 3)) != 0) \
+                        goto fault;                                     \
+                xdr += (_l + 3) >> 2;                                   \
+        } while(0)
+#define ENCODE64(x)                                     \
+        do {                                            \
+                __be64 y = cpu_to_be64(x);              \
+                if (copy_to_user(xdr, &y, 8) != 0)      \
+                        goto fault;                     \
+                xdr += 8 >> 2;                          \
+        } while(0)
+#define ENCODE_STR(s)                           \
+        do {                                    \
+                const char *_s = (s);           \
+                ENCODE_DATA(strlen(_s), _s);    \
+        } while(0)
+
+        ENCODE(0);                                      /* flags */
+        ENCODE_DATA(cnlen, key->description + 4);       /* cellname */
+        ENCODE(ntoks);
+
+        tok = 0;
+        for (token = key->payload.data; token; token = token->next) {
+                toksize = toksizes[tok++];
+                ENCODE(toksize);
+                oldxdr = xdr;
+                ENCODE(token->security_index);
+
+                switch (token->security_index) {
+                case RXRPC_SECURITY_RXKAD:
+                        ENCODE(token->kad->vice_id);
+                        ENCODE(token->kad->kvno);
+                        ENCODE_DATA(8, token->kad->session_key);
+                        ENCODE(token->kad->start);
+                        ENCODE(token->kad->expiry);
+                        ENCODE(token->kad->primary_flag);
+                        ENCODE_DATA(token->kad->ticket_len, token->kad->ticket);
+                        break;
+
+                case RXRPC_SECURITY_RXK5:
+                        princ = &token->k5->client;
+                        ENCODE(princ->n_name_parts);
+                        for (loop = 0; loop < princ->n_name_parts; loop++)
+                                ENCODE_STR(princ->name_parts[loop]);
+                        ENCODE_STR(princ->realm);
+
+                        princ = &token->k5->server;
+                        ENCODE(princ->n_name_parts);
+                        for (loop = 0; loop < princ->n_name_parts; loop++)
+                                ENCODE_STR(princ->name_parts[loop]);
+                        ENCODE_STR(princ->realm);
+
+                        ENCODE(token->k5->session.tag);
+                        ENCODE_DATA(token->k5->session.data_len,
+                                    token->k5->session.data);
+
+                        ENCODE64(token->k5->authtime);
+                        ENCODE64(token->k5->starttime);
+                        ENCODE64(token->k5->endtime);
+                        ENCODE64(token->k5->renew_till);
+                        ENCODE(token->k5->is_skey);
+                        ENCODE(token->k5->flags);
+
+                        ENCODE(token->k5->n_addresses);
+                        for (loop = 0; loop < token->k5->n_addresses; loop++) {
+                                ENCODE(token->k5->addresses[loop].tag);
+                                ENCODE_DATA(token->k5->addresses[loop].data_len,
+                                            token->k5->addresses[loop].data);
+                        }
+
+                        ENCODE_DATA(token->k5->ticket_len, token->k5->ticket);
+                        ENCODE_DATA(token->k5->ticket2_len, token->k5->ticket2);
+
+                        ENCODE(token->k5->n_authdata);
+                        for (loop = 0; loop < token->k5->n_authdata; loop++) {
+                                ENCODE(token->k5->authdata[loop].tag);
+                                ENCODE_DATA(token->k5->authdata[loop].data_len,
+                                            token->k5->authdata[loop].data);
+                        }
+                        break;
+
+                default:
+                        BUG();
+                        break;
+                }
+
+                ASSERTCMP((unsigned long)xdr - (unsigned long)oldxdr, ==,
+                          toksize);
+        }
+
+#undef ENCODE_STR
+#undef ENCODE_DATA
+#undef ENCODE64
+#undef ENCODE
+
+        ASSERTCMP(tok, ==, ntoks);
+        ASSERTCMP((char __user *) xdr - buffer, ==, size);
+        _leave(" = %zu", size);
+        return size;
+
+fault:
+        _leave(" = -EFAULT");
+        return -EFAULT;
+}
diff --git a/net/rxrpc/ar-security.c b/net/rxrpc/ar-security.c
index dc62920ee19a..49b3cc31ee1f 100644
--- a/net/rxrpc/ar-security.c
+++ b/net/rxrpc/ar-security.c
@@ -16,6 +16,7 @@
 #include <linux/crypto.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
+#include <keys/rxrpc-type.h>
 #include "ar-internal.h"
 
 static LIST_HEAD(rxrpc_security_methods);
@@ -122,6 +123,7 @@ EXPORT_SYMBOL_GPL(rxrpc_unregister_security);
  */
 int rxrpc_init_client_conn_security(struct rxrpc_connection *conn)
 {
+        struct rxrpc_key_token *token;
         struct rxrpc_security *sec;
         struct key *key = conn->key;
         int ret;
@@ -135,7 +137,11 @@ int rxrpc_init_client_conn_security(struct rxrpc_connection *conn)
         if (ret < 0)
                 return ret;
 
-        sec = rxrpc_security_lookup(key->type_data.x[0]);
+        if (!key->payload.data)
+                return -EKEYREJECTED;
+        token = key->payload.data;
+
+        sec = rxrpc_security_lookup(token->security_index);
         if (!sec)
                 return -EKEYREJECTED;
         conn->security = sec;
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index ef8f91030a15..713ac593e2e9 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -18,6 +18,7 @@
 #include <linux/ctype.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
+#include <keys/rxrpc-type.h>
 #define rxrpc_debug rxkad_debug
 #include "ar-internal.h"
 
@@ -42,7 +43,7 @@ struct rxkad_level2_hdr {
         __be32  checksum;       /* decrypted data checksum */
 };
 
-MODULE_DESCRIPTION("RxRPC network protocol type-2 security (Kerberos)");
+MODULE_DESCRIPTION("RxRPC network protocol type-2 security (Kerberos 4)");
 MODULE_AUTHOR("Red Hat, Inc.");
 MODULE_LICENSE("GPL");
 
@@ -59,14 +60,14 @@ static DEFINE_MUTEX(rxkad_ci_mutex);
  */
 static int rxkad_init_connection_security(struct rxrpc_connection *conn)
 {
-        struct rxrpc_key_payload *payload;
         struct crypto_blkcipher *ci;
+        struct rxrpc_key_token *token;
         int ret;
 
         _enter("{%d},{%x}", conn->debug_id, key_serial(conn->key));
 
-        payload = conn->key->payload.data;
-        conn->security_ix = payload->k.security_index;
+        token = conn->key->payload.data;
+        conn->security_ix = token->security_index;
 
         ci = crypto_alloc_blkcipher("pcbc(fcrypt)", 0, CRYPTO_ALG_ASYNC);
         if (IS_ERR(ci)) {
@@ -75,8 +76,8 @@ static int rxkad_init_connection_security(struct rxrpc_connection *conn)
                 goto error;
         }
 
-        if (crypto_blkcipher_setkey(ci, payload->k.session_key,
-                                    sizeof(payload->k.session_key)) < 0)
+        if (crypto_blkcipher_setkey(ci, token->kad->session_key,
+                                    sizeof(token->kad->session_key)) < 0)
                 BUG();
 
         switch (conn->security_level) {
@@ -110,7 +111,7 @@ error:
  */
 static void rxkad_prime_packet_security(struct rxrpc_connection *conn)
 {
-        struct rxrpc_key_payload *payload;
+        struct rxrpc_key_token *token;
         struct blkcipher_desc desc;
         struct scatterlist sg[2];
         struct rxrpc_crypt iv;
@@ -123,8 +124,8 @@ static void rxkad_prime_packet_security(struct rxrpc_connection *conn)
         if (!conn->key)
                 return;
 
-        payload = conn->key->payload.data;
-        memcpy(&iv, payload->k.session_key, sizeof(iv));
+        token = conn->key->payload.data;
+        memcpy(&iv, token->kad->session_key, sizeof(iv));
 
         desc.tfm = conn->cipher;
         desc.info = iv.x;
@@ -197,7 +198,7 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call,
                                         u32 data_size,
                                         void *sechdr)
 {
-        const struct rxrpc_key_payload *payload;
+        const struct rxrpc_key_token *token;
         struct rxkad_level2_hdr rxkhdr
                 __attribute__((aligned(8))); /* must be all on one page */
         struct rxrpc_skb_priv *sp;
@@ -219,8 +220,8 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call,
         rxkhdr.checksum = 0;
 
         /* encrypt from the session key */
-        payload = call->conn->key->payload.data;
-        memcpy(&iv, payload->k.session_key, sizeof(iv));
+        token = call->conn->key->payload.data;
+        memcpy(&iv, token->kad->session_key, sizeof(iv));
         desc.tfm = call->conn->cipher;
         desc.info = iv.x;
         desc.flags = 0;
@@ -400,7 +401,7 @@ static int rxkad_verify_packet_encrypt(const struct rxrpc_call *call,
                                        struct sk_buff *skb,
                                        u32 *_abort_code)
 {
-        const struct rxrpc_key_payload *payload;
+        const struct rxrpc_key_token *token;
         struct rxkad_level2_hdr sechdr;
         struct rxrpc_skb_priv *sp;
         struct blkcipher_desc desc;
@@ -431,8 +432,8 @@ static int rxkad_verify_packet_encrypt(const struct rxrpc_call *call,
         skb_to_sgvec(skb, sg, 0, skb->len);
 
         /* decrypt from the session key */
-        payload = call->conn->key->payload.data;
-        memcpy(&iv, payload->k.session_key, sizeof(iv));
+        token = call->conn->key->payload.data;
+        memcpy(&iv, token->kad->session_key, sizeof(iv));
         desc.tfm = call->conn->cipher;
         desc.info = iv.x;
         desc.flags = 0;
@@ -506,7 +507,7 @@ static int rxkad_verify_packet(const struct rxrpc_call *call,
         if (!call->conn->cipher)
                 return 0;
 
-        if (sp->hdr.securityIndex != 2) {
+        if (sp->hdr.securityIndex != RXRPC_SECURITY_RXKAD) {
                 *_abort_code = RXKADINCONSISTENCY;
                 _leave(" = -EPROTO [not rxkad]");
                 return -EPROTO;
@@ -737,7 +738,7 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn,
                                       struct sk_buff *skb,
                                       u32 *_abort_code)
 {
-        const struct rxrpc_key_payload *payload;
+        const struct rxrpc_key_token *token;
         struct rxkad_challenge challenge;
         struct rxkad_response resp
                 __attribute__((aligned(8))); /* must be aligned for crypto */
@@ -778,7 +779,7 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn,
         if (conn->security_level < min_level)
                 goto protocol_error;
 
-        payload = conn->key->payload.data;
+        token = conn->key->payload.data;
 
         /* build the response packet */
         memset(&resp, 0, sizeof(resp));
@@ -797,13 +798,13 @@ static int rxkad_respond_to_challenge(struct rxrpc_connection *conn,
                 (conn->channels[3] ? conn->channels[3]->call_id : 0);
         resp.encrypted.inc_nonce = htonl(nonce + 1);
         resp.encrypted.level = htonl(conn->security_level);
-        resp.kvno = htonl(payload->k.kvno);
-        resp.ticket_len = htonl(payload->k.ticket_len);
+        resp.kvno = htonl(token->kad->kvno);
+        resp.ticket_len = htonl(token->kad->ticket_len);
 
         /* calculate the response checksum and then do the encryption */
         rxkad_calc_response_checksum(&resp);
-        rxkad_encrypt_response(conn, &resp, &payload->k);
-        return rxkad_send_response(conn, &sp->hdr, &resp, &payload->k);
+        rxkad_encrypt_response(conn, &resp, token->kad);
+        return rxkad_send_response(conn, &sp->hdr, &resp, token->kad);
 
 protocol_error:
         *_abort_code = abort_code;
@@ -1122,7 +1123,7 @@ static void rxkad_clear(struct rxrpc_connection *conn)
 static struct rxrpc_security rxkad = {
         .owner                          = THIS_MODULE,
         .name                           = "rxkad",
-        .security_index                 = RXKAD_VERSION,
+        .security_index                 = RXRPC_SECURITY_RXKAD,
         .init_connection_security       = rxkad_init_connection_security,
         .prime_packet_security          = rxkad_prime_packet_security,
         .secure_packet                  = rxkad_secure_packet,
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 692d9a41cd23..903e4188b6ca 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -693,13 +693,18 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
                         if (new && i > 0)
                                 atomic_inc(&new->refcnt);
 
-                        qdisc_destroy(old);
+                        if (!ingress)
+                                qdisc_destroy(old);
                 }
 
-                notify_and_destroy(skb, n, classid, dev->qdisc, new);
-                if (new && !new->ops->attach)
-                        atomic_inc(&new->refcnt);
-                dev->qdisc = new ? : &noop_qdisc;
+                if (!ingress) {
+                        notify_and_destroy(skb, n, classid, dev->qdisc, new);
+                        if (new && !new->ops->attach)
+                                atomic_inc(&new->refcnt);
+                        dev->qdisc = new ? : &noop_qdisc;
+                } else {
+                        notify_and_destroy(skb, n, classid, old, new);
+                }
 
                 if (dev->flags & IFF_UP)
                         dev_activate(dev);
@@ -804,7 +809,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
                         stab = qdisc_get_stab(tca[TCA_STAB]);
                         if (IS_ERR(stab)) {
                                 err = PTR_ERR(stab);
-                                goto err_out3;
+                                goto err_out4;
                         }
                         sch->stab = stab;
                 }
@@ -833,7 +838,6 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
                 return sch;
         }
 err_out3:
-        qdisc_put_stab(sch->stab);
         dev_put(dev);
         kfree((char *) sch - sch->padded);
 err_out2:
@@ -847,6 +851,7 @@ err_out4:
          * Any broken qdiscs that would require a ops->reset() here?
          * The qdisc was never in action so it shouldn't be necessary.
          */
+        qdisc_put_stab(sch->stab);
         if (ops->destroy)
                 ops->destroy(sch);
         goto err_out3;
@@ -1111,12 +1116,16 @@ create_n_graft:
                                  tcm->tcm_parent, tcm->tcm_parent,
                                  tca, &err);
         else {
-                unsigned int ntx = 0;
+                struct netdev_queue *dev_queue;
 
                 if (p && p->ops->cl_ops && p->ops->cl_ops->select_queue)
-                        ntx = p->ops->cl_ops->select_queue(p, tcm);
+                        dev_queue = p->ops->cl_ops->select_queue(p, tcm);
+                else if (p)
+                        dev_queue = p->dev_queue;
+                else
+                        dev_queue = netdev_get_tx_queue(dev, 0);
 
-                q = qdisc_create(dev, netdev_get_tx_queue(dev, ntx), p,
+                q = qdisc_create(dev, dev_queue, p,
                                  tcm->tcm_parent, tcm->tcm_handle,
                                  tca, &err);
         }
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index 12b2fb04b29b..5a888af7e5da 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -274,8 +274,10 @@ static int drr_dump_class_stats(struct Qdisc *sch, unsigned long arg,
         struct tc_drr_stats xstats;
 
         memset(&xstats, 0, sizeof(xstats));
-        if (cl->qdisc->q.qlen)
+        if (cl->qdisc->q.qlen) {
                 xstats.deficit = cl->deficit;
+                cl->qdisc->qstats.qlen = cl->qdisc->q.qlen;
+        }
 
         if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
             gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||
diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index dd5ee022f1f7..d1dea3d5dc92 100644
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -125,13 +125,18 @@ static struct netdev_queue *mq_queue_get(struct Qdisc *sch, unsigned long cl)
         return netdev_get_tx_queue(dev, ntx);
 }
 
-static unsigned int mq_select_queue(struct Qdisc *sch, struct tcmsg *tcm)
+static struct netdev_queue *mq_select_queue(struct Qdisc *sch,
+                                            struct tcmsg *tcm)
 {
         unsigned int ntx = TC_H_MIN(tcm->tcm_parent);
+        struct netdev_queue *dev_queue = mq_queue_get(sch, ntx);
 
-        if (!mq_queue_get(sch, ntx))
-                return 0;
-        return ntx - 1;
+        if (!dev_queue) {
+                struct net_device *dev = qdisc_dev(sch);
+
+                return netdev_get_tx_queue(dev, 0);
+        }
+        return dev_queue;
 }
 
 static int mq_graft(struct Qdisc *sch, unsigned long cl, struct Qdisc *new,
@@ -188,6 +193,7 @@ static int mq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
         struct netdev_queue *dev_queue = mq_queue_get(sch, cl);
 
         sch = dev_queue->qdisc_sleeping;
+        sch->qstats.qlen = sch->q.qlen;
         if (gnet_stats_copy_basic(d, &sch->bstats) < 0 ||
             gnet_stats_copy_queue(d, &sch->qstats) < 0)
                 return -1;
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 069f81c97277..7db2c88ce585 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -359,6 +359,7 @@ static int multiq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
         struct Qdisc *cl_q;
 
         cl_q = q->queues[cl - 1];
+        cl_q->qstats.qlen = cl_q->q.qlen;
         if (gnet_stats_copy_basic(d, &cl_q->bstats) < 0 ||
             gnet_stats_copy_queue(d, &cl_q->qstats) < 0)
                 return -1;
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 0f73c412d04b..93285cecb246 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -322,6 +322,7 @@ static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
         struct Qdisc *cl_q;
 
         cl_q = q->queues[cl - 1];
+        cl_q->qstats.qlen = cl_q->q.qlen;
         if (gnet_stats_copy_basic(d, &cl_q->bstats) < 0 ||
             gnet_stats_copy_queue(d, &cl_q->qstats) < 0)
                 return -1;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 6a4b19094143..bb280e60e00a 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -949,7 +949,7 @@ static int sctp6_rcv(struct sk_buff *skb)
         return sctp_rcv(skb) ? -1 : 0;
 }
 
-static struct inet6_protocol sctpv6_protocol = {
+static const struct inet6_protocol sctpv6_protocol = {
         .handler      = sctp6_rcv,
         .err_handler  = sctp_v6_err,
         .flags        = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL,
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 60093be8385d..c557f1fb1c66 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -924,7 +924,7 @@ static struct inet_protosw sctp_stream_protosw = {
 };
 
 /* Register with IP layer.  */
-static struct net_protocol sctp_protocol = {
+static const struct net_protocol sctp_protocol = {
         .handler     = sctp_rcv,
         .err_handler = sctp_v4_err,
         .no_policy   = 1,
diff --git a/net/socket.c b/net/socket.c
index 6d4716559047..2a022c00d85c 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -489,6 +489,7 @@ static struct socket *sock_alloc(void)
 
         sock = SOCKET_I(inode);
 
+        kmemcheck_annotate_bitfield(sock, type);
         inode->i_mode = S_IFSOCK | S_IRWXUGO;
         inode->i_uid = current_fsuid();
         inode->i_gid = current_fsgid();
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 4c210c2debc6..e5f92ee758f4 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -662,7 +662,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
                                 int k;
                                 int wiphy_freq = wiphy->bands[band]->channels[j].center_freq;
                                 for (k = 0; k < wreq->num_channels; k++) {
-                                        int wext_freq = wreq->channel_list[k].m / 100000;
+                                        int wext_freq = cfg80211_wext_freq(wiphy, &wreq->channel_list[k]);
                                         if (wext_freq == wiphy_freq)
                                                 goto wext_freq_found;
                                 }
@@ -675,6 +675,11 @@ int cfg80211_wext_siwscan(struct net_device *dev,
                 wext_freq_not_found: ;
                 }
         }
+        /* No channels found? */
+        if (!i) {
+                err = -EINVAL;
+                goto out;
+        }
 
         /* Set real number of channels specified in creq->channels[] */
         creq->n_channels = i;
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 68307883ec87..7fae7eee65de 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -188,7 +188,7 @@ void cfg80211_conn_work(struct work_struct *work)
         rtnl_unlock();
 }
 
-static bool cfg80211_get_conn_bss(struct wireless_dev *wdev)
+static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
 {
         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
         struct cfg80211_bss *bss;
@@ -205,7 +205,7 @@ static bool cfg80211_get_conn_bss(struct wireless_dev *wdev)
                                WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY,
                                capa);
         if (!bss)
-                return false;
+                return NULL;
 
         memcpy(wdev->conn->bssid, bss->bssid, ETH_ALEN);
         wdev->conn->params.bssid = wdev->conn->bssid;
@@ -213,14 +213,14 @@ static bool cfg80211_get_conn_bss(struct wireless_dev *wdev)
         wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
         schedule_work(&rdev->conn_work);
 
-        cfg80211_put_bss(bss);
-        return true;
+        return bss;
 }
 
 static void __cfg80211_sme_scan_done(struct net_device *dev)
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+        struct cfg80211_bss *bss;
 
         ASSERT_WDEV_LOCK(wdev);
 
@@ -234,7 +234,10 @@ static void __cfg80211_sme_scan_done(struct net_device *dev)
             wdev->conn->state != CFG80211_CONN_SCAN_AGAIN)
                 return;
 
-        if (!cfg80211_get_conn_bss(wdev)) {
+        bss = cfg80211_get_conn_bss(wdev);
+        if (bss) {
+                cfg80211_put_bss(bss);
+        } else {
                 /* not found */
                 if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)
                         schedule_work(&rdev->conn_work);
@@ -670,6 +673,7 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
 {
         struct wireless_dev *wdev = dev->ieee80211_ptr;
         struct ieee80211_channel *chan;
+        struct cfg80211_bss *bss = NULL;
         int err;
 
         ASSERT_WDEV_LOCK(wdev);
@@ -760,7 +764,7 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
 
                 /* don't care about result -- but fill bssid & channel */
                 if (!wdev->conn->params.bssid || !wdev->conn->params.channel)
-                        cfg80211_get_conn_bss(wdev);
+                        bss = cfg80211_get_conn_bss(wdev);
 
                 wdev->sme_state = CFG80211_SME_CONNECTING;
                 wdev->connect_keys = connkeys;
@@ -770,10 +774,11 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
                         wdev->conn->prev_bssid_valid = true;
                 }
 
-                /* we're good if we have both BSSID and channel */
-                if (wdev->conn->params.bssid && wdev->conn->params.channel) {
+                /* we're good if we have a matching bss struct */
+                if (bss) {
                         wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
                         err = cfg80211_conn_do_work(wdev);
+                        cfg80211_put_bss(bss);
                 } else {
                         /* otherwise we'll need to scan for the AP first */
                         err = cfg80211_conn_scan(wdev);