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(parent: c5f5196) | patch
em28xx-i2c: rt_mutex_trylock() returns zero on failure
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 9 May 2016 08:22:55 +0000 (05:22 -0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 7 Oct 2016 13:23:44 +0000 (15:23 +0200)
commit5d6700e3d62450658de92ee8f6da850bd78854e8
tree845437546afc54f1f0ea07c0147ddffaba612693tree | snapshot
parentc5f519610b9636e6abee78c54e85ecb46dcc9b49commit | diff
em28xx-i2c: rt_mutex_trylock() returns zero on failure

commit e44c153b30c9a0580fc2b5a93f3c6d593def2278 upstream.

The code is checking for negative returns but it should be checking for
zero.

Fixes: aab3125c43d8 ('[media] em28xx: add support for registering multiple i2c buses')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/media/usb/em28xx/em28xx-i2c.c diff | blob | history
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