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virDomainDeviceUSBMasterParseXML: Use virXMLProp*

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This strictens the parser to disallow negative values (interpreted as
`UINT_MAX + value + 1`) for attribute `startport`. 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>
This commit is contained in:
Tim Wiederhake 2021-05-18 17:04:44 +02:00 committed by Laine Stump
parent 793e71ee76
commit 081f22c209
1 changed files with 2 additions and 9 deletions
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11
src/conf/domain_conf.c
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@ -6439,18 +6439,11 @@ static int
virDomainDeviceUSBMasterParseXML(xmlNodePtr node,
virDomainDeviceUSBMaster *master)
{
g_autofree char *startport = NULL;
memset(master, 0, sizeof(*master));
startport = virXMLPropString(node, "startport");
if (startport &&
virStrToLong_ui(startport, NULL, 10, &master->startport) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Cannot parse <master> 'startport' attribute"));
if (virXMLPropUInt(node, "startport", 10, VIR_XML_PROP_NONE,
&master->startport) < 0)
return -1;
}
return 0;
}