From dff492955d95c808eb353d0a60b926f96acc7c9c Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Thu, 26 Apr 2018 01:51:57 +0900
Subject: [PATCH] shareable: Reset finalizer in any cases

---
 internal/shareable/shareable.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/internal/shareable/shareable.go b/internal/shareable/shareable.go
index 2392600be..670c3308e 100644
--- a/internal/shareable/shareable.go
+++ b/internal/shareable/shareable.go
@@ -171,16 +171,16 @@ func (i *Image) Dispose() {
 }
 
 func (i *Image) dispose() {
-	if i.isDisposed() {
-		return
-	}
-
 	defer func() {
 		i.backend = nil
 		i.node = nil
 		runtime.SetFinalizer(i, nil)
 	}()
 
+	if i.isDisposed() {
+		return
+	}
+
 	if i.node == nil {
 		i.backend.restorable.Dispose()
 		return