virDomainNetDefParseXML: avoid leak upon multiple "filterref"

* src/conf/domain_conf.c (virDomainNetDefParseXML): Don't leak memory when parsing two or more "filterref" elements.

virDomainNetDefParseXML: avoid leak upon multiple "filterref"
* src/conf/domain_conf.c (virDomainNetDefParseXML): Don't leak memory when parsing two or more "filterref" elements.
4d2adaa1 · Jim Meyering · 0058184c · 4d2adaa1
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src/conf/domain_conf.c src/conf/domain_conf.c +1 -0

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--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -1905,6 +1905,7 @@ virDomainNetDefParseXML(virCapsPtr caps,
                model = virXMLPropString(cur, "type");
            } else if (xmlStrEqual (cur->name, BAD_CAST "filterref")) {
                filter = virXMLPropString(cur, "filter");
+                VIR_FREE(filterparams);
                filterparams = virNWFilterParseParamAttributes(cur);
            } else if ((flags & VIR_DOMAIN_XML_INTERNAL_STATUS) &&
                       xmlStrEqual(cur->name, BAD_CAST "state")) {