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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2019-02-07 06:49:46 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-02-18 14:47:55 -0500
commit96ebc0ca6f6d0978b1a016e6daa29817a812ce55 (patch)
tree38a4805ae58411537fb4beac6ea07fd0744855c2 /drivers
parentdd8695e4e1e39136968339ceed5680327c174a31 (diff)
media: v4l2-mem2mem: add q->error check to v4l2_m2m_poll()
The v4l2_m2m_poll function didn't check whether q->error was set for either of the two queues. Add support for this. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/v4l2-core/v4l2-mem2mem.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 36ae6123dcef..57eccbaa52de 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -638,8 +638,10 @@ __poll_t v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
* means either in driver already or waiting for driver to claim it
* and start processing.
*/
- if ((!src_q->streaming || list_empty(&src_q->queued_list))
- && (!dst_q->streaming || list_empty(&dst_q->queued_list))) {
+ if ((!src_q->streaming || src_q->error ||
+ list_empty(&src_q->queued_list)) &&
+ (!dst_q->streaming || dst_q->error ||
+ list_empty(&dst_q->queued_list))) {
rc |= EPOLLERR;
goto end;
}

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