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virNodeDevCapPCIDevIommuGroupParseXML: Use virXMLProp*
This strictens the parser to disallow negative values (interpreted as `UINT_MAX + value + 1`) for attribute `number`. Allowing negative numbers to be interpreted this way makes no sense for this attribute. Signed-off-by: Tim Wiederhake <twiederh@redhat.com> Reviewed-by: Laine Stump <laine@redhat.com>
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@ -1557,25 +1557,14 @@ virNodeDevCapPCIDevIommuGroupParseXML(xmlXPathContextPtr ctxt,
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{
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VIR_XPATH_NODE_AUTORESTORE(ctxt)
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g_autofree xmlNodePtr *addrNodes = NULL;
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g_autofree char *numberStr = NULL;
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int nAddrNodes;
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size_t i;
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ctxt->node = iommuGroupNode;
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numberStr = virXMLPropString(iommuGroupNode, "number");
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if (!numberStr) {
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virReportError(VIR_ERR_XML_ERROR,
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"%s", _("missing iommuGroup number attribute"));
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if (virXMLPropUInt(iommuGroupNode, "number", 10, VIR_XML_PROP_REQUIRED,
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&pci_dev->iommuGroupNumber) < 0)
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return -1;
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}
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if (virStrToLong_ui(numberStr, NULL, 10,
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&pci_dev->iommuGroupNumber) < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("invalid iommuGroup number attribute '%s'"),
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numberStr);
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return -1;
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}
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if ((nAddrNodes = virXPathNodeSet("./address", ctxt, &addrNodes)) < 0)
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return -1;
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