[ Upstream commit 5515e414f42bf2769caae15b634004d456658284 ]

Remove unused but set variables to clean up the code and avoid
warning.
Signed-off-by: NLucas A. M. Magalhães <lucmaga@gmail.com>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>