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conf: fix backing store parse off-by-one

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Commit 546154e parses the type attribute from a <backingStore>
element, but forgot that the earlier commit 9673418 added a
placeholder element in the same 1.2.3 release; as a result,
the C code was mistakenly allowing "none" as a type.

Similarly, the same commit allows "none" as the <format>
sub-element type, even though that has been a placeholder
since the 0.10.2 release with commit f772b3d.

* src/conf/domain_conf.c (virDomainDiskBackingStoreParse): Require
non-zero types.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2014-05-21 21:45:02 -06:00
parent 268101ea90
commit aefd9bcf9b
1 changed files with 2 additions and 2 deletions
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4
src/conf/domain_conf.c
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@ -5110,7 +5110,7 @@ virDomainDiskBackingStoreParse(xmlXPathContextPtr ctxt,
}
backingStore->type = virStorageTypeFromString(type);
if (backingStore->type < 0) {
if (backingStore->type <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unknown disk backing store type '%s'"), type);
goto cleanup;
@ -5123,7 +5123,7 @@ virDomainDiskBackingStoreParse(xmlXPathContextPtr ctxt,
}
backingStore->format = virStorageFileFormatTypeFromString(format);
if (backingStore->format < 0) {
if (backingStore->format <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unknown disk backing store format '%s'"), format);
goto cleanup;