rtrack2_radio.priv=&rtrack2_unit;
spin_lock_init(&lock);
- if(video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr)==-1)
- {
+ if (video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
release_region(io, 4);
return -EINVAL;
}