V4L/DVB (10062): dsbr100: change return values in 3 functions

Patch replace return -1; with return retval; in 3 functions.
And we also change if-checks for this returned values.

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1 file changed