7 files changed, 88 insertions, 41 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 99f656d35b4..a47f5bad110 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1973,28 +1973,27 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 
         /* make sure that we don't pick a non-existing transmit queue */
         ntxq = pkt_dev->odev->real_num_tx_queues;
-        if (ntxq <= num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
+        if (ntxq > num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
                 printk(KERN_WARNING "pktgen: WARNING: QUEUE_MAP_CPU "
-                       "disabled because CPU count (%d) exceeds number ",
-                       num_online_cpus());
-                printk(KERN_WARNING "pktgen: WARNING: of tx queues "
-                       "(%d) on %s \n", ntxq, pkt_dev->odev->name);
+                       "disabled because CPU count (%d) exceeds number "
+                       "of tx queues (%d) on %s\n", num_online_cpus(), ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->flags &= ~F_QUEUE_MAP_CPU;
         }
         if (ntxq <= pkt_dev->queue_map_min) {
                 printk(KERN_WARNING "pktgen: WARNING: Requested "
-                       "queue_map_min (%d) exceeds number of tx\n",
-                       pkt_dev->queue_map_min);
-                printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
-                       "%s, resetting\n", ntxq, pkt_dev->odev->name);
+                       "queue_map_min (zero-based) (%d) exceeds valid range "
+                       "[0 - %d] for (%d) queues on %s, resetting\n",
+                       pkt_dev->queue_map_min, (ntxq ?: 1)- 1, ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->queue_map_min = ntxq - 1;
         }
-        if (ntxq <= pkt_dev->queue_map_max) {
+        if (pkt_dev->queue_map_max >= ntxq) {
                 printk(KERN_WARNING "pktgen: WARNING: Requested "
-                       "queue_map_max (%d) exceeds number of tx\n",
-                       pkt_dev->queue_map_max);
-                printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
-                       "%s, resetting\n", ntxq, pkt_dev->odev->name);
+                       "queue_map_max (zero-based) (%d) exceeds valid range "
+                       "[0 - %d] for (%d) queues on %s, resetting\n",
+                       pkt_dev->queue_map_max, (ntxq ?: 1)- 1, ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->queue_map_max = ntxq - 1;
         }
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index e4c5ac9fe89..ba85d883189 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2279,6 +2279,11 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
         }
 
         memset(&opts, 0, sizeof(opts));
+#ifdef CONFIG_SYN_COOKIES
+        if (unlikely(req->cookie_ts))
+                TCP_SKB_CB(skb)->when = cookie_init_timestamp(req);
+        else
+#endif
         TCP_SKB_CB(skb)->when = tcp_time_stamp;
         tcp_header_size = tcp_synack_options(sk, req, mss,
                                              skb, &opts, &md5) +
@@ -2304,11 +2309,6 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 
         /* RFC1323: The window in SYN & SYN/ACK segments is never scaled. */
         th->window = htons(min(req->rcv_wnd, 65535U));
-#ifdef CONFIG_SYN_COOKIES
-        if (unlikely(req->cookie_ts))
-                TCP_SKB_CB(skb)->when = cookie_init_timestamp(req);
-        else
-#endif
         tcp_options_write((__be32 *)(th + 1), tp, &opts, &md5_hash_location);
         th->doff = (tcp_header_size >> 2);
         TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index 0b024cd6b80..98f48070805 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -94,8 +94,8 @@ minstrel_stats_open(struct inode *inode, struct file *file)
                                 prob / 10, prob % 10,
                                 mr->last_success,
                                 mr->last_attempts,
-                                mr->succ_hist,
-                                mr->att_hist);
+                                (unsigned long long)mr->succ_hist,
+                                (unsigned long long)mr->att_hist);
         }
         p += sprintf(p, "\nTotal packet count::    ideal %d      "
                         "lookaround %d\n\n",
@@ -106,7 +106,7 @@ minstrel_stats_open(struct inode *inode, struct file *file)
         return 0;
 }
 
-static int
+static ssize_t
 minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *o)
 {
         struct minstrel_stats_info *ms;
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index b9d97effebe..defeb7a0d50 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -261,6 +261,8 @@ static inline int can_respond(struct sk_buff *skb)
                 return 0; /* we are not the destination */
         if (ph->pn_res == PN_PREFIX && !pskb_may_pull(skb, 5))
                 return 0;
+        if (ph->pn_res == PN_COMMGR) /* indications */
+                return 0;
 
         ph = pn_hdr(skb); /* re-acquires the pointer */
         pm = pn_msg(skb);
@@ -309,7 +311,8 @@ static int send_reset_indications(struct sk_buff *rskb)
 
         return pn_raw_send(data, sizeof(data), rskb->dev,
                                 pn_object(oph->pn_sdev, 0x00),
-                                pn_object(oph->pn_rdev, oph->pn_robj), 0x10);
+                                pn_object(oph->pn_rdev, oph->pn_robj),
+                                PN_COMMGR);
 }
 
 
diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
index 21124ec0a73..bfdade72e06 100644
--- a/net/rfkill/rfkill-input.c
+++ b/net/rfkill/rfkill-input.c
@@ -256,6 +256,11 @@ static struct input_handler rfkill_handler = {
 
 static int __init rfkill_handler_init(void)
 {
+        unsigned long last_run = jiffies - msecs_to_jiffies(500);
+        rfkill_wlan.last = last_run;
+        rfkill_bt.last = last_run;
+        rfkill_uwb.last = last_run;
+        rfkill_wimax.last = last_run;
         return input_register_handler(&rfkill_handler);
 }
 
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 436bf1b4b76..cb216b2df66 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -228,19 +228,21 @@ static int
 rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
 {
         spinlock_t *cache_lock;
-        struct rpc_cred *cred;
+        struct rpc_cred *cred, *next;
         unsigned long expired = jiffies - RPC_AUTH_EXPIRY_MORATORIUM;
 
-        while (!list_empty(&cred_unused)) {
-                cred = list_entry(cred_unused.next, struct rpc_cred, cr_lru);
+        list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) {
+
+                /* Enforce a 60 second garbage collection moratorium */
+                if (time_in_range(cred->cr_expire, expired, jiffies) &&
+                    test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0)
+                        continue;
+
                 list_del_init(&cred->cr_lru);
                 number_cred_unused--;
                 if (atomic_read(&cred->cr_count) != 0)
                         continue;
-                /* Enforce a 5 second garbage collection moratorium */
-                if (time_in_range(cred->cr_expire, expired, jiffies) &&
-                    test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0)
-                        continue;
+
                 cache_lock = &cred->cr_auth->au_credcache->lock;
                 spin_lock(cache_lock);
                 if (atomic_read(&cred->cr_count) == 0) {
@@ -453,7 +455,7 @@ need_lock:
         }
         if (test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0)
                 rpcauth_unhash_cred(cred);
-        else if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) {
+        if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) {
                 cred->cr_expire = jiffies;
                 list_add_tail(&cred->cr_lru, &cred_unused);
                 number_cred_unused++;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 9a288d5eea6..0a50361e3d8 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -249,6 +249,7 @@ struct sock_xprt {
         void                    (*old_data_ready)(struct sock *, int);
         void                    (*old_state_change)(struct sock *);
         void                    (*old_write_space)(struct sock *);
+        void                    (*old_error_report)(struct sock *);
 };
 
 /*
@@ -698,8 +699,9 @@ static int xs_tcp_send_request(struct rpc_task *task)
         case -EAGAIN:
                 xs_nospace(task);
                 break;
-        case -ECONNREFUSED:
         case -ECONNRESET:
+                xs_tcp_shutdown(xprt);
+        case -ECONNREFUSED:
         case -ENOTCONN:
         case -EPIPE:
                 status = -ENOTCONN;
@@ -742,6 +744,22 @@ out_release:
         xprt_release_xprt(xprt, task);
 }
 
+static void xs_save_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+        transport->old_data_ready = sk->sk_data_ready;
+        transport->old_state_change = sk->sk_state_change;
+        transport->old_write_space = sk->sk_write_space;
+        transport->old_error_report = sk->sk_error_report;
+}
+
+static void xs_restore_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+        sk->sk_data_ready = transport->old_data_ready;
+        sk->sk_state_change = transport->old_state_change;
+        sk->sk_write_space = transport->old_write_space;
+        sk->sk_error_report = transport->old_error_report;
+}
+
 /**
  * xs_close - close a socket
  * @xprt: transport
@@ -765,9 +783,8 @@ static void xs_close(struct rpc_xprt *xprt)
         transport->sock = NULL;
 
         sk->sk_user_data = NULL;
-        sk->sk_data_ready = transport->old_data_ready;
-        sk->sk_state_change = transport->old_state_change;
-        sk->sk_write_space = transport->old_write_space;
+
+        xs_restore_old_callbacks(transport, sk);
         write_unlock_bh(&sk->sk_callback_lock);
 
         sk->sk_no_check = 0;
@@ -1180,6 +1197,28 @@ static void xs_tcp_state_change(struct sock *sk)
 }
 
 /**
+ * xs_tcp_error_report - callback mainly for catching RST events
+ * @sk: socket
+ */
+static void xs_tcp_error_report(struct sock *sk)
+{
+        struct rpc_xprt *xprt;
+
+        read_lock(&sk->sk_callback_lock);
+        if (sk->sk_err != ECONNRESET || sk->sk_state != TCP_ESTABLISHED)
+                goto out;
+        if (!(xprt = xprt_from_sock(sk)))
+                goto out;
+        dprintk("RPC:       %s client %p...\n"
+                        "RPC:       error %d\n",
+                        __func__, xprt, sk->sk_err);
+
+        xprt_force_disconnect(xprt);
+out:
+        read_unlock(&sk->sk_callback_lock);
+}
+
+/**
  * xs_udp_write_space - callback invoked when socket buffer space
  *                             becomes available
  * @sk: socket whose state has changed
@@ -1454,10 +1493,9 @@ static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 
                 write_lock_bh(&sk->sk_callback_lock);
 
+                xs_save_old_callbacks(transport, sk);
+
                 sk->sk_user_data = xprt;
-                transport->old_data_ready = sk->sk_data_ready;
-                transport->old_state_change = sk->sk_state_change;
-                transport->old_write_space = sk->sk_write_space;
                 sk->sk_data_ready = xs_udp_data_ready;
                 sk->sk_write_space = xs_udp_write_space;
                 sk->sk_no_check = UDP_CSUM_NORCV;
@@ -1589,13 +1627,13 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 
                 write_lock_bh(&sk->sk_callback_lock);
 
+                xs_save_old_callbacks(transport, sk);
+
                 sk->sk_user_data = xprt;
-                transport->old_data_ready = sk->sk_data_ready;
-                transport->old_state_change = sk->sk_state_change;
-                transport->old_write_space = sk->sk_write_space;
                 sk->sk_data_ready = xs_tcp_data_ready;
                 sk->sk_state_change = xs_tcp_state_change;
                 sk->sk_write_space = xs_tcp_write_space;
+                sk->sk_error_report = xs_tcp_error_report;
                 sk->sk_allocation = GFP_ATOMIC;
 
                 /* socket options */