* [PATCH] sctp: use list_move_tail instead of list_del/list_add_tail
@ 2012-09-04 9:58 Wei Yongjun
2012-09-04 18:16 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2012-09-04 9:58 UTC (permalink / raw)
To: vyasevich, sri, davem; +Cc: yongjun_wei, linux-sctp, netdev
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
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>
---
net/sctp/outqueue.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index e7aa177c..d10cbf1 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -589,9 +589,8 @@ 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;
}
@@ -655,9 +654,8 @@ 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.
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2012-09-04 9:58 [PATCH] sctp: use list_move_tail instead of list_del/list_add_tail Wei Yongjun
2012-09-04 18:16 ` David Miller
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