diff --git a/[refs] b/[refs]
index f3d57279a146..090702f5328b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0130b0b32ee53dc7add773fcea984f6a26ef1da3
+refs/heads/master: f72fa707604c015a6625e80f269506032d5430dc
diff --git a/trunk/kernel/irq/spurious.c b/trunk/kernel/irq/spurious.c
index 543ea2e5ad93..9c7e2e4c1fe7 100644
--- a/trunk/kernel/irq/spurious.c
+++ b/trunk/kernel/irq/spurious.c
@@ -147,7 +147,11 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
 	if (unlikely(irqfixup)) {
 		/* Don't punish working computers */
 		if ((irqfixup == 2 && irq == 0) || action_ret == IRQ_NONE) {
-			int ok = misrouted_irq(irq);
+			int ok;
+
+			spin_unlock(&desc->lock);
+			ok = misrouted_irq(irq);
+			spin_lock(&desc->lock);
 			if (action_ret == IRQ_NONE)
 				desc->irqs_unhandled -= ok;
 		}