The error handling paths all end up with retval being non-zero,
so the check for retval being zero is always false and hence
is redundant. Remove it.
Detected by CoverityScan CID#
1309479 ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
 
 err_wq:
        destroy_workqueue(cobalt->irq_work_queues);
 err:
-       if (retval == 0)
-               retval = -ENODEV;
        cobalt_err("error %d on initialization\n", retval);
 
        v4l2_device_unregister(&cobalt->v4l2_dev);