[libvirt] [PATCH 1/2] virDomainDeviceAliasIsUserAlias: tolerate NULL

25 Mar 2018

Do not crash in virDomainDeviceInfoParseXML if someone provides
an 'alias' element without a 'name' attribute.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
---
 src/conf/domain_conf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 43725155c..d289ca2d0 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -6702,7 +6702,7 @@ virDomainDeviceAddressParseXML(xmlNodePtr address,
 bool
 virDomainDeviceAliasIsUserAlias(const char *aliasStr)
 {
-    return STRPREFIX(aliasStr, USER_ALIAS_PREFIX);
+    return aliasStr && STRPREFIX(aliasStr, USER_ALIAS_PREFIX);
 }
 
 
-- 
2.13.6

    