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virDomainDeviceInfoParseXML: Reject '0' value for ACPI index

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Value of '0' is treated equivalently to when it's not provided by the
user. Reject an explicit '0' provided by the user as it would get
ignored.

In this rare case we can make the XML parser more strict, as libvirt
would never format the '<acpi/>' element if the index is '0' thus there
are no libvirt-generated XMLs we'd not load back, as of such this is
identical to rejecting it in the validation phase.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2037146
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2022-01-18 15:43:42 +01:00
parent ec7fbdef56
commit 6622e3cc33
1 changed files with 1 additions and 1 deletions
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2
src/conf/domain_conf.c
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@ -6786,7 +6786,7 @@ virDomainDeviceInfoParseXML(virDomainXMLOption *xmlopt,
}
if ((acpi = virXPathNode("./acpi", ctxt))) {
if (virXMLPropUInt(acpi, "index", 10, VIR_XML_PROP_NONE,
if (virXMLPropUInt(acpi, "index", 10, VIR_XML_PROP_NONZERO,
&info->acpiIndex) < 0)
goto cleanup;
}