[media] RedRat3: Return directly after a failed rc_allocate_device() in redrat3_init_rc_dev()

Return directly after a call of the function "rc_allocate_device" failed
at the beginning.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
1 file changed