[PATCH 1/1] gdiplus: Use atomic write for releasing GpImage lock.

[Jinoh Kang]

From: Jinoh Kang

This fixes data race in ARM/ARM64 platforms, and prevents potential
memory access reordering by the compiler.
---
 dlls/gdiplus/gdiplus_private.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/gdiplus/gdiplus_private.h b/dlls/gdiplus/gdiplus_private.h
index 7ae8cc564c9..c5a1e1adc59 100644
--- a/dlls/gdiplus/gdiplus_private.h
+++ b/dlls/gdiplus/gdiplus_private.h
@@ -623,7 +623,7 @@ static inline BOOL image_lock(GpImage *image, BOOL *unlock)

static inline void image_unlock(GpImage *image, BOOL unlock)
 {
-    if (unlock) image->busy = 0;
+    if (unlock) WriteRelease(&image->busy, 0);
 }

static inline void set_rect(GpRectF *rect, REAL x, REAL y, REAL width, REAL height)