22 files changed, 307 insertions, 108 deletions

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index a40feaee62ec..d84932650fd3 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -148,9 +148,9 @@ tcp_available_congestion_control - STRING
         but not loaded.
 
 tcp_base_mss - INTEGER
-        The initial value of search_low to be used by Packetization Layer
-        Path MTU Discovery (MTU probing).  If MTU probing is enabled,
-        this is the inital MSS used by the connection.
+        The initial value of search_low to be used by the packetization layer
+        Path MTU discovery (MTU probing).  If MTU probing is enabled,
+        this is the initial MSS used by the connection.
 
 tcp_congestion_control - STRING
         Set the congestion control algorithm to be used for new
@@ -185,10 +185,9 @@ tcp_frto - INTEGER
         timeouts.  It is particularly beneficial in wireless environments
         where packet loss is typically due to random radio interference
         rather than intermediate router congestion.  F-RTO is sender-side
-        only modification.  Therefore it does not require any support from
-        the peer, but in a typical case, however, where wireless link is
-        the local access link and most of the data flows downlink, the
-        faraway servers should have F-RTO enabled to take advantage of it.
+        only modification. Therefore it does not require any support from
+        the peer.
+
         If set to 1, basic version is enabled.  2 enables SACK enhanced
         F-RTO if flow uses SACK.  The basic version can be used also when
         SACK is in use though scenario(s) with it exists where F-RTO
@@ -276,7 +275,7 @@ tcp_mem - vector of 3 INTEGERs: min, pressure, max
         memory.
 
 tcp_moderate_rcvbuf - BOOLEAN
-        If set, TCP performs receive buffer autotuning, attempting to
+        If set, TCP performs receive buffer auto-tuning, attempting to
         automatically size the buffer (no greater than tcp_rmem[2]) to
         match the size required by the path for full throughput.  Enabled by
         default.
@@ -336,7 +335,7 @@ tcp_rmem - vector of 3 INTEGERs: min, default, max
         pressure.
         Default: 8K
 
-        default: default size of receive buffer used by TCP sockets.
+        default: initial size of receive buffer used by TCP sockets.
         This value overrides net.core.rmem_default used by other protocols.
         Default: 87380 bytes. This value results in window of 65535 with
         default setting of tcp_adv_win_scale and tcp_app_win:0 and a bit
@@ -344,8 +343,10 @@ tcp_rmem - vector of 3 INTEGERs: min, default, max
 
         max: maximal size of receive buffer allowed for automatically
         selected receiver buffers for TCP socket. This value does not override
-        net.core.rmem_max, "static" selection via SO_RCVBUF does not use this.
-        Default: 87380*2 bytes.
+        net.core.rmem_max.  Calling setsockopt() with SO_RCVBUF disables
+        automatic tuning of that socket's receive buffer size, in which
+        case this value is ignored.
+        Default: between 87380B and 4MB, depending on RAM size.
 
 tcp_sack - BOOLEAN
         Enable select acknowledgments (SACKS).
@@ -358,7 +359,7 @@ tcp_slow_start_after_idle - BOOLEAN
         Default: 1
 
 tcp_stdurg - BOOLEAN
-        Use the Host requirements interpretation of the TCP urg pointer field.
+        Use the Host requirements interpretation of the TCP urgent pointer field.
         Most hosts use the older BSD interpretation, so if you turn this on
         Linux might not communicate correctly with them.
         Default: FALSE
@@ -371,12 +372,12 @@ tcp_synack_retries - INTEGER
 tcp_syncookies - BOOLEAN
         Only valid when the kernel was compiled with CONFIG_SYNCOOKIES
         Send out syncookies when the syn backlog queue of a socket
-        overflows. This is to prevent against the common 'syn flood attack'
+        overflows. This is to prevent against the common 'SYN flood attack'
         Default: FALSE
 
         Note, that syncookies is fallback facility.
         It MUST NOT be used to help highly loaded servers to stand
-        against legal connection rate. If you see synflood warnings
+        against legal connection rate. If you see SYN flood warnings
         in your logs, but investigation shows that they occur
         because of overload with legal connections, you should tune
         another parameters until this warning disappear.
@@ -386,7 +387,7 @@ tcp_syncookies - BOOLEAN
         to use TCP extensions, can result in serious degradation
         of some services (f.e. SMTP relaying), visible not by you,
         but your clients and relays, contacting you. While you see
-        synflood warnings in logs not being really flooded, your server
+        SYN flood warnings in logs not being really flooded, your server
         is seriously misconfigured.
 
 tcp_syn_retries - INTEGER
@@ -419,19 +420,21 @@ tcp_window_scaling - BOOLEAN
         Enable window scaling as defined in RFC1323.
 
 tcp_wmem - vector of 3 INTEGERs: min, default, max
-        min: Amount of memory reserved for send buffers for TCP socket.
+        min: Amount of memory reserved for send buffers for TCP sockets.
         Each TCP socket has rights to use it due to fact of its birth.
         Default: 4K
 
-        default: Amount of memory allowed for send buffers for TCP socket
-        by default. This value overrides net.core.wmem_default used
-        by other protocols, it is usually lower than net.core.wmem_default.
+        default: initial size of send buffer used by TCP sockets.  This
+        value overrides net.core.wmem_default used by other protocols.
+        It is usually lower than net.core.wmem_default.
         Default: 16K
 
-        max: Maximal amount of memory allowed for automatically selected
-        send buffers for TCP socket. This value does not override
-        net.core.wmem_max, "static" selection via SO_SNDBUF does not use this.
-        Default: 128K
+        max: Maximal amount of memory allowed for automatically tuned
+        send buffers for TCP sockets. This value does not override
+        net.core.wmem_max.  Calling setsockopt() with SO_SNDBUF disables
+        automatic tuning of that socket's send buffer size, in which case
+        this value is ignored.
+        Default: between 64K and 4MB, depending on RAM size.
 
 tcp_workaround_signed_windows - BOOLEAN
         If set, assume no receipt of a window scaling option means the
@@ -1073,24 +1076,193 @@ bridge-nf-filter-pppoe-tagged - BOOLEAN
         Default: 1
 
 
-UNDOCUMENTED:
+proc/sys/net/sctp/* Variables:
+
+addip_enable - BOOLEAN
+        Enable or disable extension of  Dynamic Address Reconfiguration
+        (ADD-IP) functionality specified in RFC5061.  This extension provides
+        the ability to dynamically add and remove new addresses for the SCTP
+        associations.
+
+        1: Enable extension.
+
+        0: Disable extension.
+
+        Default: 0
+
+addip_noauth_enable - BOOLEAN
+        Dynamic Address Reconfiguration (ADD-IP) requires the use of
+        authentication to protect the operations of adding or removing new
+        addresses.  This requirement is mandated so that unauthorized hosts
+        would not be able to hijack associations.  However, older
+        implementations may not have implemented this requirement while
+        allowing the ADD-IP extension.  For reasons of interoperability,
+        we provide this variable to control the enforcement of the
+        authentication requirement.
+
+        1: Allow ADD-IP extension to be used without authentication.  This
+           should only be set in a closed environment for interoperability
+           with older implementations.
+
+        0: Enforce the authentication requirement
+
+        Default: 0
+
+auth_enable - BOOLEAN
+        Enable or disable Authenticated Chunks extension.  This extension
+        provides the ability to send and receive authenticated chunks and is
+        required for secure operation of Dynamic Address Reconfiguration
+        (ADD-IP) extension.
+
+        1: Enable this extension.
+        0: Disable this extension.
+
+        Default: 0
+
+prsctp_enable - BOOLEAN
+        Enable or disable the Partial Reliability extension (RFC3758) which
+        is used to notify peers that a given DATA should no longer be expected.
+
+        1: Enable extension
+        0: Disable
+
+        Default: 1
+
+max_burst - INTEGER
+        The limit of the number of new packets that can be initially sent.  It
+        controls how bursty the generated traffic can be.
+
+        Default: 4
+
+association_max_retrans - INTEGER
+        Set the maximum number for retransmissions that an association can
+        attempt deciding that the remote end is unreachable.  If this value
+        is exceeded, the association is terminated.
+
+        Default: 10
+
+max_init_retransmits - INTEGER
+        The maximum number of retransmissions of INIT and COOKIE-ECHO chunks
+        that an association will attempt before declaring the destination
+        unreachable and terminating.
+
+        Default: 8
+
+path_max_retrans - INTEGER
+        The maximum number of retransmissions that will be attempted on a given
+        path.  Once this threshold is exceeded, the path is considered
+        unreachable, and new traffic will use a different path when the
+        association is multihomed.
+
+        Default: 5
+
+rto_initial - INTEGER
+        The initial round trip timeout value in milliseconds that will be used
+        in calculating round trip times.  This is the initial time interval
+        for retransmissions.
+
+        Default: 3000
 
-dev_weight FIXME
-discovery_slots FIXME
-discovery_timeout FIXME
-fast_poll_increase FIXME
-ip6_queue_maxlen FIXME
-lap_keepalive_time FIXME
-lo_cong FIXME
-max_baud_rate FIXME
-max_dgram_qlen FIXME
-max_noreply_time FIXME
-max_tx_data_size FIXME
-max_tx_window FIXME
-min_tx_turn_time FIXME
-mod_cong FIXME
-no_cong FIXME
-no_cong_thresh FIXME
-slot_timeout FIXME
-warn_noreply_time FIXME
+rto_max - INTEGER
+        The maximum value (in milliseconds) of the round trip timeout.  This
+        is the largest time interval that can elapse between retransmissions.
+
+        Default: 60000
+
+rto_min - INTEGER
+        The minimum value (in milliseconds) of the round trip timeout.  This
+        is the smallest time interval the can elapse between retransmissions.
+
+        Default: 1000
+
+hb_interval - INTEGER
+        The interval (in milliseconds) between HEARTBEAT chunks.  These chunks
+        are sent at the specified interval on idle paths to probe the state of
+        a given path between 2 associations.
+
+        Default: 30000
+
+sack_timeout - INTEGER
+        The amount of time (in milliseconds) that the implementation will wait
+        to send a SACK.
+
+        Default: 200
+
+valid_cookie_life - INTEGER
+        The default lifetime of the SCTP cookie (in milliseconds).  The cookie
+        is used during association establishment.
+
+        Default: 60000
+
+cookie_preserve_enable - BOOLEAN
+        Enable or disable the ability to extend the lifetime of the SCTP cookie
+        that is used during the establishment phase of SCTP association
+
+        1: Enable cookie lifetime extension.
+        0: Disable
+
+        Default: 1
+
+rcvbuf_policy - INTEGER
+        Determines if the receive buffer is attributed to the socket or to
+        association.   SCTP supports the capability to create multiple
+        associations on a single socket.  When using this capability, it is
+        possible that a single stalled association that's buffering a lot
+        of data may block other associations from delivering their data by
+        consuming all of the receive buffer space.  To work around this,
+        the rcvbuf_policy could be set to attribute the receiver buffer space
+        to each association instead of the socket.  This prevents the described
+        blocking.
+
+        1: rcvbuf space is per association
+        0: recbuf space is per socket
+
+        Default: 0
+
+sndbuf_policy - INTEGER
+        Similar to rcvbuf_policy above, this applies to send buffer space.
+
+        1: Send buffer is tracked per association
+        0: Send buffer is tracked per socket.
+
+        Default: 0
+
+sctp_mem - vector of 3 INTEGERs: min, pressure, max
+        Number of pages allowed for queueing by all SCTP sockets.
+
+        min: Below this number of pages SCTP is not bothered about its
+        memory appetite. When amount of memory allocated by SCTP exceeds
+        this number, SCTP starts to moderate memory usage.
+
+        pressure: This value was introduced to follow format of tcp_mem.
+
+        max: Number of pages allowed for queueing by all SCTP sockets.
+
+        Default is calculated at boot time from amount of available memory.
+
+sctp_rmem - vector of 3 INTEGERs: min, default, max
+        See tcp_rmem for a description.
+
+sctp_wmem  - vector of 3 INTEGERs: min, default, max
+        See tcp_wmem for a description.
+
+UNDOCUMENTED:
 
+/proc/sys/net/core/*
+        dev_weight FIXME
+
+/proc/sys/net/unix/*
+        max_dgram_qlen FIXME
+
+/proc/sys/net/irda/*
+        fast_poll_increase FIXME
+        warn_noreply_time FIXME
+        discovery_slots FIXME
+        slot_timeout FIXME
+        max_baud_rate FIXME
+        discovery_timeout FIXME
+        lap_keepalive_time FIXME
+        max_noreply_time FIXME
+        max_tx_data_size FIXME
+        max_tx_window FIXME
+        min_tx_turn_time FIXME
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index c617b64c288e..9b777d9433cd 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -522,7 +522,6 @@ static int eth_poll(struct napi_struct *napi, int budget)
 #endif
 
                 if ((n = queue_get_desc(rxq, port, 0)) < 0) {
-                        received = 0; /* No packet received */
 #if DEBUG_RX
                         printk(KERN_DEBUG "%s: eth_poll netif_rx_complete\n",
                                dev->name);
@@ -543,7 +542,7 @@ static int eth_poll(struct napi_struct *napi, int budget)
                         printk(KERN_DEBUG "%s: eth_poll all done\n",
                                dev->name);
 #endif
-                        return 0; /* all work done */
+                        return received; /* all work done */
                 }
 
                 desc = rx_desc_ptr(port, n);
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index aa4ee4439f04..2693f883ecda 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -690,6 +690,12 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
         tun->attached = 1;
         get_net(dev_net(tun->dev));
 
+        /* Make sure persistent devices do not get stuck in
+         * xoff state.
+         */
+        if (netif_running(tun->dev))
+                netif_wake_queue(tun->dev);
+
         strcpy(ifr->ifr_name, tun->dev->name);
         return 0;
 
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 343ed38f772d..4b274562f965 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -567,11 +567,11 @@ static int lbs_process_bss(struct bss_descriptor *bss,
         pos += 8;
 
         /* beacon interval is 2 bytes long */
-        bss->beaconperiod = le16_to_cpup((void *) pos);
+        bss->beaconperiod = get_unaligned_le16(pos);
         pos += 2;
 
         /* capability information is 2 bytes long */
-        bss->capability = le16_to_cpup((void *) pos);
+        bss->capability = get_unaligned_le16(pos);
         lbs_deb_scan("process_bss: capabilities 0x%04x\n", bss->capability);
         pos += 2;
 
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index ee953ca0c6a3..91cbd9e560bd 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -733,6 +733,17 @@ static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
                            (rt2x00dev->rx->data_size / 128));
         rt2x00pci_register_write(rt2x00dev, CSR9, reg);
 
+        rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+        rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
+        rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
+        rt2x00_set_field32(&reg, CSR14_TBCN, 0);
+        rt2x00_set_field32(&reg, CSR14_TCFP, 0);
+        rt2x00_set_field32(&reg, CSR14_TATIMW, 0);
+        rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+        rt2x00_set_field32(&reg, CSR14_CFP_COUNT_PRELOAD, 0);
+        rt2x00_set_field32(&reg, CSR14_TBCM_PRELOAD, 0);
+        rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+
         rt2x00pci_register_write(rt2x00dev, CNT3, 0x3f080000);
 
         rt2x00pci_register_read(rt2x00dev, ARCSR0, &reg);
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 0423c251c78e..0f2a0e22fd71 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -831,6 +831,17 @@ static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev)
         rt2x00_set_field32(&reg, CSR11_CW_SELECT, 0);
         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 
+        rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+        rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
+        rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
+        rt2x00_set_field32(&reg, CSR14_TBCN, 0);
+        rt2x00_set_field32(&reg, CSR14_TCFP, 0);
+        rt2x00_set_field32(&reg, CSR14_TATIMW, 0);
+        rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+        rt2x00_set_field32(&reg, CSR14_CFP_COUNT_PRELOAD, 0);
+        rt2x00_set_field32(&reg, CSR14_TBCM_PRELOAD, 0);
+        rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+
         rt2x00pci_register_write(rt2x00dev, CNT3, 0);
 
         rt2x00pci_register_read(rt2x00dev, TXCSR8, &reg);
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 0dd1cb537b92..367db10b96d9 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -812,6 +812,13 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 
+        rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+        rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
+        rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
+        rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
+        rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
+        rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+
         rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
         rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index bbf1048f6400..5a1330c5de71 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1198,6 +1198,15 @@ static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev)
         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
         rt2x00pci_register_write(rt2x00dev, TXRX_CSR8, reg);
 
+        rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+        rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
+        rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+
         rt2x00pci_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
 
         rt2x00pci_register_write(rt2x00dev, MAC_CSR6, 0x00000fff);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 3ef318e098e7..25d8b660051f 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1016,6 +1016,15 @@ static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
         rt73usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 
+        rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+        rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+        rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
+        rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+
         rt73usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
 
         rt73usb_register_read(rt2x00dev, MAC_CSR6, &reg);
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 665f76af2fec..feaf43d17249 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -707,6 +707,7 @@ static void zd_op_remove_interface(struct ieee80211_hw *hw,
 {
         struct zd_mac *mac = zd_hw_mac(hw);
         mac->type = IEEE80211_IF_TYPE_INVALID;
+        zd_set_beacon_interval(&mac->chip, 0);
         zd_write_mac_addr(&mac->chip, NULL);
 }
 
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 2ca6bae88721..fb0c215a3051 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -339,6 +339,7 @@ struct xfrm_usersa_info {
 #define XFRM_STATE_NOPMTUDISC   4
 #define XFRM_STATE_WILDRECV     8
 #define XFRM_STATE_ICMP         16
+#define XFRM_STATE_AF_UNSPEC    32
 };
 
 struct xfrm_usersa_id {
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index d16ae4623be6..f155a66d6ebf 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1357,17 +1357,17 @@ static int check_leaf(struct trie *t, struct leaf *l,
                         t->stats.semantic_match_miss++;
 #endif
                 if (err <= 0)
-                        return plen;
+                        return err;
         }
 
-        return -1;
+        return 1;
 }
 
 static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
                           struct fib_result *res)
 {
         struct trie *t = (struct trie *) tb->tb_data;
-        int plen, ret = 0;
+        int ret;
         struct node *n;
         struct tnode *pn;
         int pos, bits;
@@ -1391,10 +1391,7 @@ static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
 
         /* Just a leaf? */
         if (IS_LEAF(n)) {
-                plen = check_leaf(t, (struct leaf *)n, key, flp, res);
-                if (plen < 0)
-                        goto failed;
-                ret = 0;
+                ret = check_leaf(t, (struct leaf *)n, key, flp, res);
                 goto found;
         }
 
@@ -1419,11 +1416,9 @@ static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
                 }
 
                 if (IS_LEAF(n)) {
-                        plen = check_leaf(t, (struct leaf *)n, key, flp, res);
-                        if (plen < 0)
+                        ret = check_leaf(t, (struct leaf *)n, key, flp, res);
+                        if (ret > 0)
                                 goto backtrace;
-
-                        ret = 0;
                         goto found;
                 }
 
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 7750c97fde7b..ffeaffc3fffe 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -439,8 +439,8 @@ static unsigned char asn1_oid_decode(struct asn1_ctx *ctx,
                                      unsigned int *len)
 {
         unsigned long subid;
-        unsigned int  size;
         unsigned long *optr;
+        size_t size;
 
         size = eoc - ctx->pointer + 1;
 
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 5ff0ce6e9d39..7ddc30f0744f 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -224,7 +224,7 @@ static __init int tcpprobe_init(void)
         if (bufsize < 0)
                 return -EINVAL;
 
-        tcp_probe.log = kcalloc(sizeof(struct tcp_log), bufsize, GFP_KERNEL);
+        tcp_probe.log = kcalloc(bufsize, sizeof(struct tcp_log), GFP_KERNEL);
         if (!tcp_probe.log)
                 goto err0;
 
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 602ea826f0a5..9f1084b4c0e8 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -443,7 +443,7 @@ looped_back:
                         kfree_skb(skb);
                         return -1;
                 }
-                if (!ipv6_chk_home_addr(&init_net, addr)) {
+                if (!ipv6_chk_home_addr(dev_net(skb->dst->dev), addr)) {
                         IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
                                          IPSTATS_MIB_INADDRERRORS);
                         kfree_skb(skb);
diff --git a/net/mac80211/rc80211_pid.h b/net/mac80211/rc80211_pid.h
index 2078803d3581..0a9135b974b5 100644
--- a/net/mac80211/rc80211_pid.h
+++ b/net/mac80211/rc80211_pid.h
@@ -141,7 +141,6 @@ struct rc_pid_events_file_info {
  *      rate behaviour values (lower means we should trust more what we learnt
  *      about behaviour of rates, higher means we should trust more the natural
  *      ordering of rates)
- * @fast_start: if Y, push high rates right after initialization
  */
 struct rc_pid_debugfs_entries {
         struct dentry *dir;
@@ -154,7 +153,6 @@ struct rc_pid_debugfs_entries {
         struct dentry *sharpen_factor;
         struct dentry *sharpen_duration;
         struct dentry *norm_offset;
-        struct dentry *fast_start;
 };
 
 void rate_control_pid_event_tx_status(struct rc_pid_event_buffer *buf,
@@ -267,9 +265,6 @@ struct rc_pid_info {
         /* Normalization offset. */
         unsigned int norm_offset;
 
-        /* Fast starst parameter. */
-        unsigned int fast_start;
-
         /* Rates information. */
         struct rc_pid_rateinfo *rinfo;
 
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 62388f8e9024..742c5b06cffd 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -398,13 +398,25 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
                 return NULL;
         }
 
+        pinfo->target = RC_PID_TARGET_PF;
+        pinfo->sampling_period = RC_PID_INTERVAL;
+        pinfo->coeff_p = RC_PID_COEFF_P;
+        pinfo->coeff_i = RC_PID_COEFF_I;
+        pinfo->coeff_d = RC_PID_COEFF_D;
+        pinfo->smoothing_shift = RC_PID_SMOOTHING_SHIFT;
+        pinfo->sharpen_factor = RC_PID_SHARPENING_FACTOR;
+        pinfo->sharpen_duration = RC_PID_SHARPENING_DURATION;
+        pinfo->norm_offset = RC_PID_NORM_OFFSET;
+        pinfo->rinfo = rinfo;
+        pinfo->oldrate = 0;
+
         /* Sort the rates. This is optimized for the most common case (i.e.
          * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
          * mapping too. */
         for (i = 0; i < sband->n_bitrates; i++) {
                 rinfo[i].index = i;
                 rinfo[i].rev_index = i;
-                if (pinfo->fast_start)
+                if (RC_PID_FAST_START)
                         rinfo[i].diff = 0;
                 else
                         rinfo[i].diff = i * pinfo->norm_offset;
@@ -425,19 +437,6 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
                         break;
         }
 
-        pinfo->target = RC_PID_TARGET_PF;
-        pinfo->sampling_period = RC_PID_INTERVAL;
-        pinfo->coeff_p = RC_PID_COEFF_P;
-        pinfo->coeff_i = RC_PID_COEFF_I;
-        pinfo->coeff_d = RC_PID_COEFF_D;
-        pinfo->smoothing_shift = RC_PID_SMOOTHING_SHIFT;
-        pinfo->sharpen_factor = RC_PID_SHARPENING_FACTOR;
-        pinfo->sharpen_duration = RC_PID_SHARPENING_DURATION;
-        pinfo->norm_offset = RC_PID_NORM_OFFSET;
-        pinfo->fast_start = RC_PID_FAST_START;
-        pinfo->rinfo = rinfo;
-        pinfo->oldrate = 0;
-
 #ifdef CONFIG_MAC80211_DEBUGFS
         de = &pinfo->dentries;
         de->dir = debugfs_create_dir("rc80211_pid",
@@ -465,9 +464,6 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
         de->norm_offset = debugfs_create_u32("norm_offset",
                                              S_IRUSR | S_IWUSR, de->dir,
                                              &pinfo->norm_offset);
-        de->fast_start = debugfs_create_bool("fast_start",
-                                             S_IRUSR | S_IWUSR, de->dir,
-                                             &pinfo->fast_start);
 #endif
 
         return pinfo;
@@ -479,7 +475,6 @@ static void rate_control_pid_free(void *priv)
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct rc_pid_debugfs_entries *de = &pinfo->dentries;
 
-        debugfs_remove(de->fast_start);
         debugfs_remove(de->norm_offset);
         debugfs_remove(de->sharpen_duration);
         debugfs_remove(de->sharpen_factor);
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 740acd6bc7d9..420a10d8eb1e 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -844,8 +844,14 @@ static int tcp_packet(struct nf_conn *ct,
                         /* Attempt to reopen a closed/aborted connection.
                          * Delete this connection and look up again. */
                         write_unlock_bh(&tcp_lock);
-                        nf_ct_kill(ct);
-                        return -NF_REPEAT;
+
+                        /* Only repeat if we can actually remove the timer.
+                         * Destruction may already be in progress in process
+                         * context and we must give it a chance to terminate.
+                         */
+                        if (nf_ct_kill(ct))
+                                return -NF_REPEAT;
+                        return -NF_DROP;
                 }
                 /* Fall through */
         case TCP_CONNTRACK_IGNORE:
diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c
index fdc14a0d21af..9080c61b71a5 100644
--- a/net/netlabel/netlabel_cipso_v4.c
+++ b/net/netlabel/netlabel_cipso_v4.c
@@ -584,12 +584,7 @@ list_start:
         rcu_read_unlock();
 
         genlmsg_end(ans_skb, data);
-
-        ret_val = genlmsg_reply(ans_skb, info);
-        if (ret_val != 0)
-                goto list_failure;
-
-        return 0;
+        return genlmsg_reply(ans_skb, info);
 
 list_retry:
         /* XXX - this limit is a guesstimate */
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index 22c191267808..44be5d5261f4 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -386,11 +386,7 @@ static int netlbl_mgmt_listdef(struct sk_buff *skb, struct genl_info *info)
         rcu_read_unlock();
 
         genlmsg_end(ans_skb, data);
-
-        ret_val = genlmsg_reply(ans_skb, info);
-        if (ret_val != 0)
-                goto listdef_failure;
-        return 0;
+        return genlmsg_reply(ans_skb, info);
 
 listdef_failure_lock:
         rcu_read_unlock();
@@ -501,11 +497,7 @@ static int netlbl_mgmt_version(struct sk_buff *skb, struct genl_info *info)
                 goto version_failure;
 
         genlmsg_end(ans_skb, data);
-
-        ret_val = genlmsg_reply(ans_skb, info);
-        if (ret_val != 0)
-                goto version_failure;
-        return 0;
+        return genlmsg_reply(ans_skb, info);
 
 version_failure:
         kfree_skb(ans_skb);
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 52b2611a6eb6..56f80872924e 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -1107,11 +1107,7 @@ static int netlbl_unlabel_list(struct sk_buff *skb, struct genl_info *info)
                 goto list_failure;
 
         genlmsg_end(ans_skb, data);
-
-        ret_val = genlmsg_reply(ans_skb, info);
-        if (ret_val != 0)
-                goto list_failure;
-        return 0;
+        return genlmsg_reply(ans_skb, info);
 
 list_failure:
         kfree_skb(ans_skb);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b976d9ed10e4..04c41504f84c 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -277,9 +277,8 @@ static void copy_from_user_state(struct xfrm_state *x, struct xfrm_usersa_info *
         memcpy(&x->props.saddr, &p->saddr, sizeof(x->props.saddr));
         x->props.flags = p->flags;
 
-        if (!x->sel.family)
+        if (!x->sel.family && !(p->flags & XFRM_STATE_AF_UNSPEC))
                 x->sel.family = p->family;
-
 }
 
 /*