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[for-2.8,02/38] s390x/pci: return directly if create zpci failed

Message ID 20160829114530.10842-3-cornelia.huck@de.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Cornelia Huck Aug. 29, 2016, 11:44 a.m. UTC 
From: Yi Min Zhao <zyimin@linux.vnet.ibm.com>

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(+)
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Patch

diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 9c1c04e..5750f22 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;
             }
         }