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media: i2c: tc358746: fix ignoring read error in g_register callback
[ Upstream commit 9d33802 ] Currently we ignore the return value of tc358746_read() and return alawys return 0 which is wrong. Fix this by returning the actual return value of the read operation which is either 0 on success or an error value. Addresses-Coverity-ID: 1527254 ("Error handling issues") Reported-by: coverity-bot <keescook+coverity-bot@chromium.org> Fixes: 80a21da ("media: tc358746: add Toshiba TC358746 Parallel to CSI-2 bridge driver") Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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