From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/video/videobuf-core.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index de4fa4e..ffdf59c 100644
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -1129,6 +1129,7 @@ unsigned int videobuf_poll_stream(struct file *file,
struct videobuf_queue *q,
poll_table *wait)
{
+ unsigned long req_events = poll_requested_events(wait);
struct videobuf_buffer *buf = NULL;
unsigned int rc = 0;
@@ -1137,7 +1138,7 @@ unsigned int videobuf_poll_stream(struct file *file,
if (!list_empty(&q->stream))
buf = list_entry(q->stream.next,
struct videobuf_buffer, stream);
- } else {
+ } else if (req_events & (POLLIN | POLLRDNORM)) {
if (!q->reading)
__videobuf_read_start(q);
if (!q->reading) {
--
1.7.8.3
--
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