w1/w1: replace schedule_timeout() with

1/1

@@ -452,10 +452,8 @@ static void w1_slave_detach(struct w1_sl
 	while (atomic_read(&sl->refcnt)) {
 		printk(KERN_INFO "Waiting for %s to become free: refcnt=%d.\n",
 				sl->name, atomic_read(&sl->refcnt));
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(HZ);
 
-		if (signal_pending(current))
+		if (msleep_interruptible(1000))
 			flush_signals(current);
 	}