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netpoll: inverted down_trylock() test
author
Dan Carpenter
<dan.carpenter@oracle.com>
Mon, 6 May 2013 02:15:13 +0000
(
02:15
+0000)
committer
David S. Miller
<davem@davemloft.net>
Mon, 6 May 2013 15:06:52 +0000
(11:06 -0400)
The return value is reversed from mutex_trylock().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/netpoll.c
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diff --git
a/net/core/netpoll.c
b/net/core/netpoll.c
index
a5802a8
..
cec074b
100644
(file)
--- 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)) {