Index: linux-2.4.21/kernel/sched.c
===================================================================
--- linux-2.4.21.orig/kernel/sched.c	2004-06-09 14:51:10.000000000 -0700
+++ linux-2.4.21/kernel/sched.c	2004-06-09 14:56:03.000000000 -0700
@@ -1509,10 +1509,10 @@
 	struct filtered_wait_queue *wait, *save;
 	spin_lock_irqsave(&q->lock, flags);
 	list_for_each_entry_safe(wait, save, &q->task_list, wait.task_list) {
-		if (wait->key != key)
-			continue;
-		else if (wait->wait.func)
+		if (wait->wait.func)
 			wait->wait.func(&wait->wait);
+		else if (wait->key != key)
+			continue;
 		else if (wait->wait.task->state & mode)
 			try_to_wake_up(wait->wait.task, mode, 0, 0);
 	}