media: saa7146: add cleanup in hexium_attach()
[ Upstream commit 42e64117d3b4a759013f77bbcf25ab6700e55de7 ] If saa7146_register_device() fails, no cleanup is executed, leading to memory/resource leaks. To fix this issue, perform necessary cleanup work before returning the error. Signed-off-by: NWenwen Wang <wenwen@cs.uga.edu> 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>
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