From 14ce0c1bcbcc5c2dd385bacca84ef7b171608f64 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Mon, 12 Aug 2019 23:31:17 +0900
Subject: [PATCH] restorable: Bug fix: Lock before resolving stale states

---
 internal/restorable/images.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/restorable/images.go b/internal/restorable/images.go
index 540ddc5f0..d0d66f05d 100644
--- a/internal/restorable/images.go
+++ b/internal/restorable/images.go
@@ -57,7 +57,7 @@ var theImages = &images{
 // ResolveStaleImages is intended to be called at the end of a frame.
 func ResolveStaleImages() {
 	// Until the begin o the frame (by RestoreIfNeeded, any operations are locked.
-	defer theImages.m.Lock()
+	theImages.m.Lock()
 
 	graphicscommand.FlushCommands()
 	if !needsRestoring() {