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path: root/drivers/media/dvb-core/dmxdev.c
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Diffstat (limited to 'drivers/media/dvb-core/dmxdev.c')
-rw-r--r--drivers/media/dvb-core/dmxdev.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index c0363f1..abff803 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -1087,8 +1087,8 @@ static unsigned int dvb_demux_poll(struct file *file, poll_table *wait)
struct dmxdev_filter *dmxdevfilter = file->private_data;
unsigned int mask = 0;
- if (!dmxdevfilter)
- return -EINVAL;
+ if ((!dmxdevfilter) || dmxdevfilter->dev->exit)
+ return POLLERR;
poll_wait(file, &dmxdevfilter->buffer.queue, wait);
@@ -1181,6 +1181,9 @@ static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait)
dprintk("function : %s\n", __func__);
+ if (dmxdev->exit)
+ return POLLERR;
+
poll_wait(file, &dmxdev->dvr_buffer.queue, wait);
if ((file->f_flags & O_ACCMODE) == O_RDONLY) {

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