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conf: disk: Extract verification of disk config

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Rather than checking individual fields in dubious places extract them to
a central point.
This commit is contained in:
Peter Krempa 2016-04-20 15:01:44 +02:00
parent 71c22b186c
commit a309f5754e
1 changed files with 24 additions and 14 deletions
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38
src/conf/domain_conf.c
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@ -6894,6 +6894,27 @@ virDomainDiskDefGeometryParse(virDomainDiskDefPtr def,
}
static int
virDomainDiskDefValidate(const virDomainDiskDef *def)
{
if (def->bus != VIR_DOMAIN_DISK_BUS_VIRTIO) {
if (def->event_idx != VIR_TRISTATE_SWITCH_ABSENT) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk event_idx mode supported only for virtio bus"));
return -1;
}
if (def->ioeventfd != VIR_TRISTATE_SWITCH_ABSENT) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk ioeventfd mode supported only for virtio bus"));
return -1;
}
}
return 0;
}
#define VENDOR_LEN 8
#define PRODUCT_LEN 16
@ -7365,13 +7386,6 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
if (ioeventfd) {
int val;
if (def->bus != VIR_DOMAIN_DISK_BUS_VIRTIO) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk ioeventfd mode supported "
"only for virtio bus"));
goto error;
}
if ((val = virTristateSwitchTypeFromString(ioeventfd)) <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unknown disk ioeventfd mode '%s'"),
@ -7382,13 +7396,6 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
}
if (event_idx) {
if (def->bus != VIR_DOMAIN_DISK_BUS_VIRTIO) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk event_idx mode supported "
"only for virtio bus"));
goto error;
}
int idx;
if ((idx = virTristateSwitchTypeFromString(event_idx)) <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@ -7506,6 +7513,9 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
goto error;
}
if (virDomainDiskDefValidate(def) < 0)
goto error;
cleanup:
VIR_FREE(bus);
VIR_FREE(type);