[libvirt] [PATCH 12/13] qemu: snapshot: Return early if there's nothing to snapshot

Skip actual snapshot creation code if we have 0 disks to snapshot. Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 5b6d3bb795..b7f5142605 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -15259,6 +15259,12 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver, &diskdata, &ndiskdata) < 0) goto cleanup; + /* check whether there's anything to do */ + if (ndiskdata == 0) { + ret = 0; + goto cleanup; + } + /* Based on earlier qemuDomainSnapshotPrepare, all disks in this list are * now either VIR_DOMAIN_SNAPSHOT_LOCATION_NONE, or * VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL with a valid file name and -- 2.21.0