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virDomainNetIPInfoParseXML: Simplify cleanup

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Do the XPath fetches first as they don't require cleanup and rename
'cleanup' to 'error' and take it only on failure.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2022-09-15 18:00:12 +02:00
parent 39892e6f2e
commit eb738a75be
1 changed files with 9 additions and 13 deletions
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22
src/conf/domain_conf.c
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@ -6216,42 +6216,38 @@ virDomainNetIPInfoParseXML(const char *source,
xmlXPathContextPtr ctxt,
virNetDevIPInfo *def)
{
int ret = -1;
size_t i;
g_autofree xmlNodePtr *ipNodes = NULL;
int nipNodes;
g_autofree xmlNodePtr *routeNodes = NULL;
int nrouteNodes;
if ((nipNodes = virXPathNodeSet("./ip", ctxt, &ipNodes)) < 0)
goto cleanup;
if ((nipNodes = virXPathNodeSet("./ip", ctxt, &ipNodes)) < 0 ||
(nrouteNodes = virXPathNodeSet("./route", ctxt, &routeNodes)) < 0)
return -1;
for (i = 0; i < nipNodes; i++) {
virNetDevIPAddr *ip = NULL;
if (!(ip = virDomainNetIPParseXML(ipNodes[i])))
goto cleanup;
goto error;
VIR_APPEND_ELEMENT(def->ips, def->nips, ip);
}
if ((nrouteNodes = virXPathNodeSet("./route", ctxt, &routeNodes)) < 0)
goto cleanup;
for (i = 0; i < nrouteNodes; i++) {
virNetDevIPRoute *route = NULL;
if (!(route = virNetDevIPRouteParseXML(source, routeNodes[i], ctxt)))
goto cleanup;
goto error;
VIR_APPEND_ELEMENT(def->routes, def->nroutes, route);
}
ret = 0;
cleanup:
if (ret < 0)
virNetDevIPInfoClear(def);
return ret;
return 0;
error:
virNetDevIPInfoClear(def);
return -1;
}