From: Jim Meyering <meyering@redhat.com>
Date: Wed, 16 Dec 2009 13:15:50 +0000 (+0100)
Subject: qemu_driver.c: avoid NULL dereference upon disk-op failure
X-Git-Tag: v0.7.6~239
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eebf932e9418b8a626488ced40294e4f5d580e49;p=thirdparty%2Flibvirt.git

qemu_driver.c: avoid NULL dereference upon disk-op failure

* src/qemu/qemu_driver.c (qemudDomainAttachDevice): Call
virCgroupDenyDevicePath only if cgroup is non-NULL.
---

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index a6a1a5ab7c..4639478abc 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -5491,7 +5491,7 @@ static int qemudDomainAttachDevice(virDomainPtr dom,
                              virDomainDiskDeviceTypeToString(dev->data.disk->device));
             /* Fallthrough */
         }
-        if (ret != 0) {
+        if (ret != 0 && cgroup) {
             virCgroupDenyDevicePath(cgroup,
                                     dev->data.disk->src);
         }