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qemu: migration: Reject migration of an empty disk

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If you specify disks to migrate it would be possible to select an empty
drive for migration. Reject such config.
This commit is contained in:
Peter Krempa 2017-04-07 17:39:39 +02:00
parent 03766247ae
commit 5a990e0bf3
1 changed files with 3 additions and 2 deletions
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5
src/qemu/qemu_migration.c
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@ -515,9 +515,10 @@ qemuMigrationStartNBDServer(virQEMUDriverPtr driver,
if (!qemuMigrateDisk(disk, nmigrate_disks, migrate_disks))
continue;
if (disk->src->readonly) {
if (disk->src->readonly || virStorageSourceIsEmpty(disk->src)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
_("Cannot migrate read-only disk %s"), disk->dst);
_("Cannot migrate empty or read-only disk %s"),
disk->dst);
goto cleanup;
}