From 23328aa12becf25e50fcad4835560255de99465a Mon Sep 17 00:00:00 2001
From: rainzm <mjoycarry@gmail.com>
Date: Thu, 4 Mar 2021 17:49:28 +0800
Subject: [PATCH] fix(region): check whether guest is nil

---
 pkg/compute/models/instance_snapshots.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/compute/models/instance_snapshots.go b/pkg/compute/models/instance_snapshots.go
index b28befb81b..75ec98098a 100644
--- a/pkg/compute/models/instance_snapshots.go
+++ b/pkg/compute/models/instance_snapshots.go
@@ -239,7 +239,7 @@ func (self *SInstanceSnapshot) getMoreDetails(userCred mcclient.TokenCredential,
 				out.StorageType = snapshots[i].GetStorageType()
 			}
 		}
-	} else {
+	} else if guest != nil {
 		out.Size = self.SizeMb
 		disk, err := guest.GetSystemDisk()
 		if err != nil {