w1/w1_family: replace schedule_timeout() with

1/1

@@ -87,10 +87,8 @@ void w1_unregister_family(struct w1_fami
 	while (atomic_read(&fent->refcnt)) {
 		printk(KERN_INFO "Waiting for family %u to become free: refcnt=%d.\n",
 				fent->fid, atomic_read(&fent->refcnt));
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(HZ);
 
-		if (signal_pending(current))
+		if (msleep_interruptible(1000))
 			flush_signals(current);
 	}
 }