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authorwangweidong <wangweidong1@huawei.com>2013-12-12 09:36:42 +0800
committerDavid S. Miller <davem@davemloft.net>2013-12-16 12:48:35 -0500
commitd3fbccf2b01f8262faa1479712be6a55c626bdef (patch)
tree4f46ab8e4e49db33fcb9a95a7381c2aa4f37a8f2 /net/tipc/socket.c
parent776a74ce07a6e325fcfc04e272389947b1281159 (diff)
downloadlinux-d3fbccf2b01f8262faa1479712be6a55c626bdef.tar.bz2
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>
Diffstat (limited to 'net/tipc/socket.c')
-rw-r--r--net/tipc/socket.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 844bf349bb81..83f466e57fea 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -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))