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qemu: Use virStorageSourceIsEmpty in qemuDomainBlockCommit

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The block commit API checked 'disk->src->path' to see whether there
is a reasonable disk source to be committed. As the top image can be
e.g. backed by NBD the check is not good enough. Replace it by
virStorageSourceIsEmpty.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-07-22 13:53:59 +02:00
parent 08f23b8ffa
commit 4f11a1eaf2
1 changed files with 1 additions and 1 deletions
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2
src/qemu/qemu_driver.c
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@ -17979,7 +17979,7 @@ qemuDomainBlockCommit(virDomainPtr dom,
if (!(device = qemuAliasDiskDriveFromDisk(disk)))
goto endjob;
if (!disk->src->path) {
if (virStorageSourceIsEmpty(disk->src)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk %s has no source file to be committed"),
disk->dst);