67f85135c5
We need to always link allocated vb2_dc_buf back to vb2_buffer because we dereference vb2 in prepare() and finish() callbacks. Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Acked-by: Tomasz Figa <tfiga@chromium.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>