]> git.baikalelectronics.ru Git - kernel.git/commit
[media] vb2: Don't WARN when v4l2_buffer.bytesused is 0 for multiplanar buffers
authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Fri, 19 Jun 2015 11:50:07 +0000 (08:50 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Mon, 22 Jun 2015 12:52:58 +0000 (09:52 -0300)
commitba44e61625f7180d80fff1964afe0e1fd598e28b
treea4641cd1727d055232b2cef75fbcc3ab73e7de0b
parent5b89fe9c122313e655b5939ae3141fd23ec712cf
[media] vb2: Don't WARN when v4l2_buffer.bytesused is 0 for multiplanar buffers

Commit b5c7c85c2df5 ("[media] vb2: add allow_zero_bytesused flag to the
vb2_queue struct") added a WARN_ONCE to catch usage of a deprecated API
using a zero value for v4l2_buffer.bytesused.

However, the condition is checked incorrectly, as the v4L2_buffer
bytesused field is supposed to be ignored for multiplanar buffers. This
results in spurious warnings when using the multiplanar API.

Fix it by checking v4l2_buffer.bytesused for uniplanar buffers and
v4l2_plane.bytesused for multiplanar buffers.

Fixes: b5c7c85c2df5 ("[media] vb2: add allow_zero_bytesused flag to the vb2_queue struct")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: stable@vger.kernel.org # for v4.0
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/v4l2-core/videobuf2-core.c