[libvirt] [PATCH] virsh: fix snapshot list --parent
The root snapshot does not have a parent.
Use NULLSTR_EMPTY to pass an empty string instead of putting
too few columns in the table.
https://bugzilla.redhat.com/show_bug.cgi?id=1662849
Signed-off-by: Ján Tomko <jtomko(a)redhat.com>
---
tools/virsh-snapshot.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/virsh-snapshot.c b/tools/virsh-snapshot.c
index 90000ef1aa..6cadb2b0d6 100644
--- a/tools/virsh-snapshot.c
+++ b/tools/virsh-snapshot.c
@@ -1608,7 +1608,8 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
&time_info);
if (parent) {
- if (vshTableRowAppend(table, snap_name, timestr, state, parent_snap,
+ if (vshTableRowAppend(table, snap_name, timestr, state,
+ NULLSTR_EMPTY(parent_snap),
NULL) < 0)
goto cleanup;
} else {
--
2.19.2