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(parent: f4dd471) | patch
media: vb2: fix epoll() by calling poll_wait first
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Thu, 7 Feb 2019 11:49:43 +0000 (06:49 -0500)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Mon, 18 Feb 2019 19:46:20 +0000 (14:46 -0500)
commit914c68686441c93f6954267dabef6c936ebb479f
treee61319c90b987128ebde9c7af9455a2c20fac8f7tree | snapshot
parentf4dd471b5c368c396e8e03a65fec64bced949639commit | diff
media: vb2: fix epoll() by calling poll_wait first

The epoll function expects that whenever the poll file op is
called, the poll_wait function is also called. That didn't
always happen in vb2_core_poll() and vb2_poll(). Fix this,
otherwise epoll() would timeout when it shouldn't.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: Yi Qingliang <niqingliang2003@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/common/videobuf2/videobuf2-core.c diff | blob | history
drivers/media/common/videobuf2/videobuf2-v4l2.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git