tipc: change lock_sock order in connect()

Instead of reaquiring the socket lock and taking the normal exit
path when a connection times out, we bail out early with a
return -ETIMEDOUT.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
wangweidong 2013-12-12 09:36:42 +08:00 committed by David S. Miller
parent 776a74ce07
commit d3fbccf2b0

View File

@ -1507,14 +1507,12 @@ static int connect(struct socket *sock, struct sockaddr *dest, int destlen,
sock->state != SS_CONNECTING,
timeout ? (long)msecs_to_jiffies(timeout)
: MAX_SCHEDULE_TIMEOUT);
lock_sock(sk);
if (res <= 0) {
if (res == 0)
res = -ETIMEDOUT;
else
; /* leave "res" unchanged */
goto exit;
return res;
}
lock_sock(sk);
}
if (unlikely(sock->state == SS_DISCONNECTING))