[libvirt PATCH] conf: Skip virDomainNetDefParseXMLDriver if driver_node is NULL

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Trying to parse <driver> node which does not exist makes no sense.

Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
---
 src/conf/domain_conf.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 4cd9ffc194..fda1c6caa6 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -8831,8 +8831,10 @@ virDomainNetDefParseXMLDriver(virDomainNetDef *def,
 {
     xmlNodePtr driver_node;
 
-    if ((driver_node = virXPathNode("./driver", ctxt)) &&
-        (virDomainVirtioOptionsParseXML(driver_node, &def->virtio) < 0))
+    if (!(driver_node = virXPathNode("./driver", ctxt)))
+        return 0;
+
+    if (virDomainVirtioOptionsParseXML(driver_node, &def->virtio) < 0)
         return -1;
 
     if (def->type != VIR_DOMAIN_NET_TYPE_HOSTDEV &&
-- 
2.38.1




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