[ Upstream commit a66b0c41 ]

The input_dev is already gone when the rc device is being unregistered
so checking for its presence only means that no remove uevent will be
generated.

Cc: stable@kernel.org
Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>