From 0d36d791927753599e9ca36e344f9fb272126e3d Mon Sep 17 00:00:00 2001
From: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Date: Wed, 10 Aug 2016 16:10:08 +0800
Subject: [PATCH] s390x/pci: return directly if create zpci failed

In the case that zpci is automatically created, we did not return
immediately on failure, which would lead to NULL pointer dereferencing.
Let's fix it.

Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
---
 hw/s390x/s390-pci-bus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 9c1c04e590..5750f22fc3 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -649,6 +649,7 @@ static void s390_pcihost_hot_plug(HotplugHandler *hotplug_dev,
             pbdev = s390_pci_device_new(dev->id);
             if (!pbdev) {
                 error_setg(errp, "create zpci device failed");
+                return;
             }
         }
 
-- 
2.39.5