The processing code which prepares images should be executed really only for the images which were detected. The code actually tried to update the last user-specified layer as well. Thankfully we don't do anything that would be a problem at this point. Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- src/qemu/qemu_domain.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index f8a662f747..0fe9bc4b2a 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -8377,7 +8377,7 @@ qemuDomainDetermineDiskChain(virQEMUDriverPtr driver, if (virStorageFileGetMetadata(src, uid, gid, report_broken) < 0) goto cleanup; - for (n = src; virStorageSourceIsBacking(n); n = n->backingStore) { + for (n = src->backingStore; virStorageSourceIsBacking(n); n = n->backingStore) { if (qemuDomainValidateStorageSource(n, priv->qemuCaps) < 0) goto cleanup; -- 2.16.2