[PATCH] snapshot: fix snapshot-delete option check error

[Guannan Ren <gren@xxxxxxxxxx>]

For descendant of a snapshot, we need to check if they are
external for both flag VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN and
VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN_ONLY
For the snapshot itself, only check it if
VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN is given.
---
 src/qemu/qemu_driver.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index c886378..3a64c43 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -12873,10 +12873,11 @@ static int qemuDomainSnapshotDelete(virDomainSnapshotPtr snapshot,
         goto cleanup;
 
     if (!metadata_only) {
-        if (!(flags & VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN_ONLY) &&
+        if ((flags & VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN) &&
             virDomainSnapshotIsExternal(snap))
             external++;
-        if (flags & VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN)
+        if (flags & (VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN |
+                     VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN_ONLY))
             virDomainSnapshotForEachDescendant(snap,
                                                qemuDomainSnapshotCountExternal,
                                                &external);
-- 
1.8.1.4

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