Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

3 files changed, 18 insertions, 5 deletions

diff --git a/net/sctp/input.c b/net/sctp/input.c
index bf612d9..2e4a864 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -249,6 +249,19 @@ int sctp_rcv(struct sk_buff *skb)
 	 */
 	sctp_bh_lock_sock(sk);
 
+	if (sk != rcvr->sk) {
+		/* Our cached sk is different from the rcvr->sk.  This is
+		 * because migrate()/accept() may have moved the association
+		 * to a new socket and released all the sockets.  So now we
+		 * are holding a lock on the old socket while the user may
+		 * be doing something with the new socket.  Switch our veiw
+		 * of the current sk.
+		 */
+		sctp_bh_unlock_sock(sk);
+		sk = rcvr->sk;
+		sctp_bh_lock_sock(sk);
+	}
+
 	if (sock_owned_by_user(sk)) {
 		SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_BACKLOG);
 		sctp_add_backlog(sk, skb);
diff --git a/net/sctp/output.c b/net/sctp/output.c
index c3f417f..7363935 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -324,14 +324,16 @@ append:
 	switch (chunk->chunk_hdr->type) {
 	    case SCTP_CID_DATA:
 		retval = sctp_packet_append_data(packet, chunk);
+		if (SCTP_XMIT_OK != retval)
+			goto finish;
 		/* Disallow SACK bundling after DATA. */
 		packet->has_sack = 1;
 		/* Disallow AUTH bundling after DATA */
 		packet->has_auth = 1;
 		/* Let it be knows that packet has DATA in it */
 		packet->has_data = 1;
-		if (SCTP_XMIT_OK != retval)
-			goto finish;
+		/* timestamp the chunk for rtx purposes */
+		chunk->sent_at = jiffies;
 		break;
 	    case SCTP_CID_COOKIE_ECHO:
 		packet->has_cookie_echo = 1;
@@ -470,7 +472,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
 			} else
 				chunk->resent = 1;
 
-			chunk->sent_at = jiffies;
 			has_data = 1;
 		}
 
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 247ebc9..bc411c8 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -929,7 +929,6 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 		}
 
 		/* Finally, transmit new packets.  */
-		start_timer = 0;
 		while ((chunk = sctp_outq_dequeue_data(q)) != NULL) {
 			/* RFC 2960 6.5 Every DATA chunk MUST carry a valid
 			 * stream identifier.
@@ -1028,7 +1027,7 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 			list_add_tail(&chunk->transmitted_list,
 				      &transport->transmitted);
 
-			sctp_transport_reset_timers(transport, start_timer-1);
+			sctp_transport_reset_timers(transport, 0);
 
 			q->empty = 0;