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6948524d57
redrat3_send_cmd() can return an error or the read data. However, it currently returns an u8, as reported by smatch: drivers/media/rc/redrat3.c:416 redrat3_send_cmd() warn: signedness bug returning '(-12)' Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>