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authorYing Xue <ying.xue@windriver.com>2013-02-03 21:32:57 +0100
committerDavid S. Miller <davem@davemloft.net>2013-02-04 19:26:49 +0100
commit25cc4ae913a46bcc11b03c37bec59568f2122a36 (patch)
tree0a69dfa2c245d48fb44c6f2ab8e93587cf8516a7 /net/sctp/transport.c
parentbe2net: update driver version to 4.6.x (diff)
downloadlinux-25cc4ae913a46bcc11b03c37bec59568f2122a36.tar.xz
linux-25cc4ae913a46bcc11b03c37bec59568f2122a36.zip
net: remove redundant check for timer pending state before del_timer
As in del_timer() there has already placed a timer_pending() function to check whether the timer to be deleted is pending or not, it's unnecessary to check timer pending state again before del_timer() is called. Signed-off-by: Ying Xue <ying.xue@windriver.com> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/transport.c')
-rw-r--r--net/sctp/transport.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index ca5331cc1ed2..fafd2a461ba0 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -151,13 +151,11 @@ void sctp_transport_free(struct sctp_transport *transport)
* structure hang around in memory since we know
* the tranport is going away.
*/
- if (timer_pending(&transport->T3_rtx_timer) &&
- del_timer(&transport->T3_rtx_timer))
+ if (del_timer(&transport->T3_rtx_timer))
sctp_transport_put(transport);
/* Delete the ICMP proto unreachable timer if it's active. */
- if (timer_pending(&transport->proto_unreach_timer) &&
- del_timer(&transport->proto_unreach_timer))
+ if (del_timer(&transport->proto_unreach_timer))
sctp_association_put(transport->asoc);
sctp_transport_put(transport);
@@ -655,10 +653,9 @@ void sctp_transport_reset(struct sctp_transport *t)
void sctp_transport_immediate_rtx(struct sctp_transport *t)
{
/* Stop pending T3_rtx_timer */
- if (timer_pending(&t->T3_rtx_timer)) {
- (void)del_timer(&t->T3_rtx_timer);
+ if (del_timer(&t->T3_rtx_timer))
sctp_transport_put(t);
- }
+
sctp_retransmit(&t->asoc->outqueue, t, SCTP_RTXR_T3_RTX);
if (!timer_pending(&t->T3_rtx_timer)) {
if (!mod_timer(&t->T3_rtx_timer, jiffies + t->rto))