Returning queued vb2 buffers back to user space is a common
task best handled by a helper function.
Signed-off-by: NBenoit Parrot <bparrot@ti.com>
Acked-by: NLad Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab+samsung@kernel.org>