From 1c34211c22de28127a509edbf2cf2f44cb0d891e Mon Sep 17 00:00:00 2001
From: Tim Wiederhake <twiederh@redhat.com>
Date: Mon, 19 Apr 2021 13:54:15 +0200
Subject: [PATCH] virshCheckpointListCollect: Do not pass NULL to qsort

Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
---
 tools/virsh-checkpoint.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/virsh-checkpoint.c b/tools/virsh-checkpoint.c
index afe849dd16..e88f9ffb47 100644
--- a/tools/virsh-checkpoint.c
+++ b/tools/virsh-checkpoint.c
@@ -628,7 +628,8 @@ virshCheckpointListCollect(vshControl *ctl,
         }
     }
 
-    if (!(orig_flags & VIR_DOMAIN_CHECKPOINT_LIST_TOPOLOGICAL))
+    if (!(orig_flags & VIR_DOMAIN_CHECKPOINT_LIST_TOPOLOGICAL) &&
+        checkpointlist->chks)
         qsort(checkpointlist->chks, checkpointlist->nchks,
               sizeof(*checkpointlist->chks), virshChkSorter);