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[media] media: correct return value in dvb_demux_poll 

Data type of return value is unsigned int, but in function of dvb_demux_poll,
when the pointer of dmxdevfilter equals NULL, it will return -EINVAL, which
is invalid.

Signed-off-by: Changbing Xiong <cb.xiong@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Changbing Xiong 2014-08-20 23:05:07 -03:00 committed by Mauro Carvalho Chehab
parent 7a0af6ed97
commit 236c9bfa4a
1 changed files with 1 additions and 1 deletions
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2
drivers/media/dvb-core/dmxdev.c
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@ -1088,7 +1088,7 @@ static unsigned int dvb_demux_poll(struct file *file, poll_table *wait)
unsigned int mask = 0;
if (!dmxdevfilter)
return -EINVAL;
return POLLERR;
poll_wait(file, &dmxdevfilter->buffer.queue, wait);