From b80c30dcfb4bb73c5eb5e35d21d4eb0f802686c0 Mon Sep 17 00:00:00 2001
From: Qiu Jian <qiujian@yunionyun.com>
Date: Mon, 2 Sep 2019 18:17:55 +0800
Subject: [PATCH] fix: guest get host nil pointer panic

---
 pkg/compute/models/guests.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkg/compute/models/guests.go b/pkg/compute/models/guests.go
index 80547ec9a6..5deea95fdc 100644
--- a/pkg/compute/models/guests.go
+++ b/pkg/compute/models/guests.go
@@ -686,7 +686,9 @@ func (guest *SGuest) CustomizeCreate(ctx context.Context, userCred mcclient.Toke
 func (guest *SGuest) GetHost() *SHost {
 	if len(guest.HostId) > 0 && regutils.MatchUUID(guest.HostId) {
 		host, _ := HostManager.FetchById(guest.HostId)
-		return host.(*SHost)
+		if host != nil {
+			return host.(*SHost)
+		}
 	}
 	return nil
 }