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[for-2.8,03/38] s390x/pci: assert zpci always existing

Message ID 20160829114530.10842-4-cornelia.huck@de.ibm.com
State New
Headers show

Commit Message

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

If one pci device is plugged successfully, there must be a zpci device
existing. This means that during hot-unplugging a pci device, its
corresponding zpci device must be found. Therefore we use an assert to
replace current code.

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 | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
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Patch

diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 5750f22..ac8f06d 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -718,11 +718,7 @@  static void s390_pcihost_hot_unplug(HotplugHandler *hotplug_dev,
                 break;
             }
         }
-
-        if (!pbdev) {
-            object_unparent(OBJECT(pci_dev));
-            return;
-        }
+        assert(pbdev != NULL);
     } else if (object_dynamic_cast(OBJECT(dev), TYPE_S390_PCI_DEVICE)) {
         pbdev = S390_PCI_DEVICE(dev);
         pci_dev = pbdev->pdev;