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[ Upstream commit ad2698efce ]
Explicitly compare a buffer type only with valid buffer types,
to avoid matching a buffer type outside of the valid buffer type set.
Signed-off-by: Nas Chung <nas.chung@chipsnmedia.com>
Reviewed-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>