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[TIPC]: Fix semaphore handling. 

As noted by Kevin, tipc's release() does down_interruptible() and
ignores the return value.  So if signal_pending() we'll end up doing
up() on a non-downed semaphore.  Fix.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Andrew Morton 2007-12-12 11:24:19 -08:00 committed by David S. Miller
parent cbebc51f7b
commit 98eb5683fb
1 changed files with 1 additions and 1 deletions
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net/tipc/socket.c
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@ -253,7 +253,7 @@ static int release(struct socket *sock)
dbg("sock_delete: %x\n",tsock);
if (!tsock)
return 0;
down_interruptible(&tsock->sem);
down(&tsock->sem);
if (!sock->sk) {
up(&tsock->sem);
return 0;