From 8a57f3d948df625602e96d94dc696eb551af8fcf Mon Sep 17 00:00:00 2001
From: huangzy <huangzynn@outlook.com>
Date: Wed, 19 Jul 2023 16:43:37 +0800
Subject: [PATCH] rbd: fix CreateSnapshot panic

add if rbdVol != nil defer rbdVol.Destroy()

Signed-off-by: huangzy <huangzynn@outlook.com>
---
 internal/rbd/controllerserver.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/rbd/controllerserver.go b/internal/rbd/controllerserver.go
index bd00d148f6b..a9b1a814688 100644
--- a/internal/rbd/controllerserver.go
+++ b/internal/rbd/controllerserver.go
@@ -1078,7 +1078,9 @@ func (cs *ControllerServer) CreateSnapshot(
 
 	// Fetch source volume information
 	rbdVol, err := GenVolFromVolID(ctx, req.GetSourceVolumeId(), cr, req.GetSecrets())
-	defer rbdVol.Destroy()
+	if rbdVol != nil {
+		defer rbdVol.Destroy()
+	}
 	if err != nil {
 		switch {
 		case errors.Is(err, ErrImageNotFound):