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authorChangbing Xiong <cb.xiong@samsung.com>2014-08-20 23:05:07 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-09-02 11:49:00 -0300
commit236c9bfa4a133cbdfeeb3f7a1902950210549634 (patch)
tree4ff82450d678c463898c750dff981bc6a312dcdd /drivers
parent7a0af6ed97f2f08baecb452e719d9c961d117109 (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb-core/dmxdev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index c0363f1b6c90..7a5c07003c41 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -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);