From 7fc0abf4cb740609e802611690a3cdb7ff5f21bd Mon Sep 17 00:00:00 2001
From: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Date: Fri, 5 Aug 2016 17:00:35 +0800
Subject: [PATCH] s390x/pci: fix null pointer bug
We should make sure that it's not NULL firstly.
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
---
hw/s390x/s390-pci-bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 47ca853bd2..9c1c04e590 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -712,7 +712,7 @@ static void s390_pcihost_hot_unplug(HotplugHandler *hotplug_dev,
pci_dev = PCI_DEVICE(dev);
for (i = 0 ; i < PCI_SLOT_MAX; i++) {
- if (s->pbdev[i]->pdev == pci_dev) {
+ if (s->pbdev[i] && s->pbdev[i]->pdev == pci_dev) {
pbdev = s->pbdev[i];
break;
}