media: zr364xx: propagate errors from zr364xx_start_readpipe()
[ Upstream commit af0321a5 ] zr364xx_start_readpipe() can fail but callers do not care about that. This can result in various negative consequences. The patch adds missed error handling. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Evgeny Novikov <novikov@ispras.ru> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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779a0f43
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