drivers/w1/w1.c

503 		/* refcnt 0 means it was detached in the call */
733 	atomic_set(&sl->refcnt, 1);
734 	atomic_inc(&sl->master->refcnt);
763 		atomic_dec(&sl->master->refcnt);
780 	int refcnt;
782 	refcnt = atomic_sub_return(1, &sl->refcnt);
783 	if (refcnt == 0) {
803 	atomic_dec(&dev->refcnt);
805 	return refcnt;
810 	/* Only detach a slave once as it decreases the refcnt each time. */
830 			atomic_inc(&iter->refcnt);
852 				atomic_inc(&dev->refcnt);
853 				atomic_inc(&iter->refcnt);
946 	atomic_inc(&dev->refcnt);
958 	atomic_dec(&dev->refcnt);
1158 	atomic_inc(&dev->refcnt);
1202 	atomic_dec(&dev->refcnt);