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virDomainNumatuneParseXML: Refactor cleanup

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Use automatic memory clearing for the temporary strings and bitmap and
remove the cleanup section. There are multiple temporary strings added
so that we don't reuse one.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2021-12-07 17:17:13 +01:00
parent 29da6dcc9d
commit 33d6d05754
1 changed files with 22 additions and 30 deletions
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52
src/conf/numa_conf.c
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@ -224,22 +224,23 @@ virDomainNumatuneParseXML(virDomainNuma *numa,
bool placement_static,
xmlXPathContextPtr ctxt)
{
char *tmp = NULL;
g_autofree char *modestr = NULL;
int mode = -1;
int n = 0;
g_autofree char *placementstr = NULL;
int placement = -1;
int ret = -1;
virBitmap *nodeset = NULL;
g_autofree char *nodesetstr = NULL;
g_autoptr(virBitmap) nodeset = NULL;
xmlNodePtr node = NULL;
if (virXPathInt("count(./numatune)", ctxt, &n) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot extract numatune nodes"));
goto cleanup;
return -1;
} else if (n > 1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("only one numatune is supported"));
goto cleanup;
return -1;
}
node = virXPathNode("./numatune/memory[1]", ctxt);
@ -248,34 +249,29 @@ virDomainNumatuneParseXML(virDomainNuma *numa,
placement = VIR_DOMAIN_NUMATUNE_PLACEMENT_AUTO;
if (node) {
if ((tmp = virXMLPropString(node, "mode")) &&
(mode = virDomainNumatuneMemModeTypeFromString(tmp)) < 0) {
if ((modestr = virXMLPropString(node, "mode")) &&
(mode = virDomainNumatuneMemModeTypeFromString(modestr)) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported NUMA memory tuning mode '%s'"), tmp);
goto cleanup;
_("Unsupported NUMA memory tuning mode '%s'"), modestr);
return -1;
}
VIR_FREE(tmp);
if ((tmp = virXMLPropString(node, "placement")) &&
(placement = virDomainNumatunePlacementTypeFromString(tmp)) < 0) {
if ((placementstr = virXMLPropString(node, "placement")) &&
(placement = virDomainNumatunePlacementTypeFromString(placementstr)) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported NUMA memory placement mode '%s'"), tmp);
goto cleanup;
_("Unsupported NUMA memory placement mode '%s'"), placementstr);
return -1;
}
VIR_FREE(tmp);
tmp = virXMLPropString(node, "nodeset");
if (tmp) {
if (virBitmapParse(tmp, &nodeset, VIR_DOMAIN_CPUMASK_LEN) < 0)
goto cleanup;
if ((nodesetstr = virXMLPropString(node, "nodeset"))) {
if (virBitmapParse(nodesetstr, &nodeset, VIR_DOMAIN_CPUMASK_LEN) < 0)
return -1;
if (virBitmapIsAllClear(nodeset)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Invalid value of 'nodeset': %s"), tmp);
goto cleanup;
_("Invalid value of 'nodeset': %s"), nodesetstr);
return -1;
}
VIR_FREE(tmp);
}
}
@ -284,16 +280,12 @@ virDomainNumatuneParseXML(virDomainNuma *numa,
placement,
mode,
nodeset) < 0)
goto cleanup;
return -1;
if (virDomainNumatuneNodeParseXML(numa, ctxt) < 0)
goto cleanup;
return -1;
ret = 0;
cleanup:
virBitmapFree(nodeset);
VIR_FREE(tmp);
return ret;
return 0;
}
int