From: Liuji (Jeremy) <jeremy.liu@huawei.com>
Date: Wed, 11 Sep 2013 02:13:32 +0000 (-0400)
Subject: virDomainDefParseXML: set the argument of virBitmapFree to NULL after calling virBitm... 
X-Git-Tag: v1.0.5.7~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cdc148ec5b3f1bfdd06862a41ff81ccc29584f08;p=thirdparty%2Flibvirt.git

virDomainDefParseXML: set the argument of virBitmapFree to NULL after calling virBitmapFree

After freeing the bitmap pointer, it must set the pointer to NULL.
This will avoid any other use of the freed memory of the bitmap pointer.

https://bugzilla.redhat.com/show_bug.cgi?id=1006710

Signed-off-by: Liuji (Jeremy) <jeremy.liu@huawei.com>
(cherry picked from commit ef5d51d491356f1f4287aa3a8b908b183b6dd9aa)
---

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 3ec64a9432..7d98674ca1 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -10552,8 +10552,10 @@ virDomainDefParseXML(xmlDocPtr xml,
                     }
 
                     /* Ignore 'nodeset' if 'placement' is 'auto' finally */
-                    if (placement_mode == VIR_NUMA_TUNE_MEM_PLACEMENT_MODE_AUTO)
+                    if (placement_mode == VIR_NUMA_TUNE_MEM_PLACEMENT_MODE_AUTO) {
                         virBitmapFree(def->numatune.memory.nodemask);
+                        def->numatune.memory.nodemask = NULL;
+                    }
 
                     /* Copy 'placement' of <numatune> to <vcpu> if its 'placement'
                      * is not specified and 'placement' of <numatune> is specified.