---

yaml --- r: 11481 b: refs/heads/master c: beeca08 h: refs/heads/master i: 11479: 1ccb24d v: v3
git-mirror · Sep 28, 2005 · c496915 · c496915
1 parent fe79295
commit c496915
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 20c8c2106305729e7d5e06f6c3d390e965a3dd34
+refs/heads/master: beeca08738c4c4024c81a591812bfe38f8c436c0
diff --git a/trunk/kernel/irq/handle.c b/trunk/kernel/irq/handle.c
@@ -117,14 +117,16 @@ fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs)
 		/*
 		 * No locking required for CPU-local interrupts:
 		 */
-		desc->handler->ack(irq);
+		if (desc->handler->ack)
+			desc->handler->ack(irq);
 		action_ret = handle_IRQ_event(irq, regs, desc->action);
 		desc->handler->end(irq);
 		return 1;
 	}
 
 	spin_lock(&desc->lock);
-	desc->handler->ack(irq);
+	if (desc->handler->ack)
+		desc->handler->ack(irq);
 	/*
 	 * REPLAY is when Linux resends an IRQ that was dropped earlier
 	 * WAITING is used by probe to mark irqs that are being tested