[libvirt] [PATCH] virnuma: add notset NULL check in virNumaSetupMemoryPolicy
Chen Fan
chen.fan.fnst at cn.fujitsu.com
Fri Nov 7 08:54:56 UTC 2014
introduce by commit c63ef0452b, when nodeset is NULL, validation
will pass in virNumaSetupMemoryPolicy, but virBitmapNextSetBit
must ensure bitmap is not Null. there will cause a segmentation
fault. this patch fixed it.
Signed-off-by: Chen Fan <chen.fan.fnst at cn.fujitsu.com>
---
src/util/virnuma.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/util/virnuma.c b/src/util/virnuma.c
index 06520f7..b8d76f4 100644
--- a/src/util/virnuma.c
+++ b/src/util/virnuma.c
@@ -97,6 +97,9 @@ virNumaSetupMemoryPolicy(virDomainNumatuneMemMode mode,
size_t i;
int maxnode = 0;
+ if (!nodeset)
+ return 0;
+
if (!virNumaNodesetIsAvailable(nodeset))
return -1;
--
1.9.3
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