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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-04 03:58:16 +0400
committerDavid S. Miller <davem@davemloft.net>2012-09-04 22:16:13 +0400
commit54a27924237eeb9767135a423dea14a0d1b5954f (patch)
treebd64976c76b3de2795a1aef1a68dbc5557c952cd /net/sctp
parent6e129d04de7adbd63e86293533688ce88b9b13d8 (diff)
downloadlinux-54a27924237eeb9767135a423dea14a0d1b5954f.tar.xz
sctp: use list_move_tail instead of list_del/list_add_tail
Using list_move_tail() instead of list_del() + list_add_tail(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/outqueue.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 072bf6ae3c26..d16632e1503a 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -591,9 +591,8 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
* next chunk.
*/
if (chunk->tsn_gap_acked) {
- list_del(&chunk->transmitted_list);
- list_add_tail(&chunk->transmitted_list,
- &transport->transmitted);
+ list_move_tail(&chunk->transmitted_list,
+ &transport->transmitted);
continue;
}
@@ -657,9 +656,8 @@ redo:
/* The append was successful, so add this chunk to
* the transmitted list.
*/
- list_del(&chunk->transmitted_list);
- list_add_tail(&chunk->transmitted_list,
- &transport->transmitted);
+ list_move_tail(&chunk->transmitted_list,
+ &transport->transmitted);
/* Mark the chunk as ineligible for fast retransmit
* after it is retransmitted.