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* [patch -next] netpoll: inverted down_trylock() test
@ 2013-05-06 12:15 Dan Carpenter
  2013-05-06 13:00 ` Dan Carpenter
  0 siblings, 1 reply; 3+ messages in thread
From: Dan Carpenter @ 2013-05-06 12:15 UTC (permalink / raw)
  To: David S. Miller, Neil Horman
  Cc: Cong Wang, Eric Dumazet, Jiri Pirko, netdev, kernel-janitors

The return value is reversed from mutex_trylock().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index a5802a8..cec074b 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -206,7 +206,7 @@ static void netpoll_poll_dev(struct net_device *dev)
 	 * the dev_open/close paths use this to block netpoll activity
 	 * while changing device state
 	 */
-	if (!down_trylock(&ni->dev_lock))
+	if (down_trylock(&ni->dev_lock))
 		return;
 
 	if (!netif_running(dev)) {

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-05-06 15:08 UTC | newest]

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2013-05-06 12:15 [patch -next] netpoll: inverted down_trylock() test Dan Carpenter
2013-05-06 13:00 ` Dan Carpenter
2013-05-06 15:08   ` David Miller

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