Merge branch 'davinci-next' of git://gitorious.org/linux-davinci/linux-davinci into...

[pandora-kernel.git] / net / sctp / outqueue.c

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index bf92a5b..1c88c89 100644 (file)
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -131,7 +131,8 @@ static inline int sctp_cacc_skip_3_1_d(struct sctp_transport *primary,
 static inline int sctp_cacc_skip_3_1_f(struct sctp_transport *transport,
                                       int count_of_newacks)
 {
-       if (count_of_newacks < 2 && !transport->cacc.cacc_saw_newack)
+       if (count_of_newacks < 2 &&
+                       (transport && !transport->cacc.cacc_saw_newack))
                return 1;
        return 0;
 }
@@ -319,7 +320,6 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk)
                 * chunk.
                 */
                switch (q->asoc->state) {
-               case SCTP_STATE_EMPTY:
                case SCTP_STATE_CLOSED:
                case SCTP_STATE_SHUTDOWN_PENDING:
                case SCTP_STATE_SHUTDOWN_SENT:
@@ -577,6 +577,13 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
         * try to send as much as possible.
         */
        list_for_each_entry_safe(chunk, chunk1, lqueue, transmitted_list) {
+               /* If the chunk is abandoned, move it to abandoned list. */
+               if (sctp_chunk_abandoned(chunk)) {
+                       list_del_init(&chunk->transmitted_list);
+                       sctp_insert_list(&q->abandoned,
+                                        &chunk->transmitted_list);
+                       continue;
+               }
 
                /* Make sure that Gap Acked TSNs are not retransmitted.  A
                 * simple approach is just to move such TSNs out of the
@@ -618,9 +625,12 @@ redo:
 
                        /* If we are retransmitting, we should only
                         * send a single packet.
+                        * Otherwise, try appending this chunk again.
                         */
                        if (rtx_timeout || fast_rtx)
                                done = 1;
+                       else
+                               goto redo;
 
                        /* Bundle next chunk in the next round.  */
                        break;
@@ -1683,8 +1693,9 @@ static void sctp_mark_missing(struct sctp_outq *q,
                        /* SFR-CACC may require us to skip marking
                         * this chunk as missing.
                         */
-                       if (!transport || !sctp_cacc_skip(primary, transport,
-                                           count_of_newacks, tsn)) {
+                       if (!transport || !sctp_cacc_skip(primary,
+                                               chunk->transport,
+                                               count_of_newacks, tsn)) {
                                chunk->tsn_missing_report++;
 
                                SCTP_DEBUG_PRINTK(