diff --git a/[refs] b/[refs]
index 3eaf2180e6e3..4986f98299a0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5fbdc10395cd500d6ff844825a918c4e6f38de37
+refs/heads/master: 72bf809a19d9fc97bfe39bb928149b5e0f202cb6
diff --git a/trunk/drivers/xen/xen-pciback/pci_stub.c b/trunk/drivers/xen/xen-pciback/pci_stub.c
index 1b474804180a..3cc3fbe5bf8d 100644
--- a/trunk/drivers/xen/xen-pciback/pci_stub.c
+++ b/trunk/drivers/xen/xen-pciback/pci_stub.c
@@ -512,12 +512,7 @@ static void kill_domain_by_device(struct pcistub_device *psdev)
 	int err;
 	char nodename[PCI_NODENAME_MAX];
 
-	if (!psdev) {
-		dev_err(&psdev->dev->dev,
-			"device is NULL when do AER recovery/kill_domain\n");
-		return;
-	}
-
+	BUG_ON(!psdev);
 	snprintf(nodename, PCI_NODENAME_MAX, "/local/domain/0/backend/pci/%d/0",
 		psdev->pdev->xdev->otherend_id);