diff --git a/[refs] b/[refs]
index e829fb85b949..75505672d86c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0a3fd051c7036ef71b58863f8e5da7c3dabd9d3f
+refs/heads/master: b3b7cc7b4138f4171da5813b5ec2a14835e02482
diff --git a/trunk/drivers/pci/msi.c b/trunk/drivers/pci/msi.c
index e6740d1a0824..d9cbd586ae4b 100644
--- a/trunk/drivers/pci/msi.c
+++ b/trunk/drivers/pci/msi.c
@@ -549,8 +549,10 @@ static int msi_free_irqs(struct pci_dev* dev)
 {
 	struct msi_desc *entry, *tmp;
 
-	list_for_each_entry(entry, &dev->msi_list, list)
-		BUG_ON(irq_has_action(entry->irq));
+	list_for_each_entry(entry, &dev->msi_list, list) {
+		if (entry->irq)
+			BUG_ON(irq_has_action(entry->irq));
+	}
 
 	arch_teardown_msi_irqs(dev);