From f07829da5750949ad9e7a9c5a370c65b0f6076f8 Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@baikal.ru>
Date: Mon, 25 Jun 2012 12:26:56 +0900
Subject: [PATCH] windowscodecs: TiffDecoder_GetThumbnail should return NULL
 interface.

---
 dlls/windowscodecs/tiffformat.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/windowscodecs/tiffformat.c b/dlls/windowscodecs/tiffformat.c
index cd3703f70b4..d12729f55d9 100644
--- a/dlls/windowscodecs/tiffformat.c
+++ b/dlls/windowscodecs/tiffformat.c
@@ -643,6 +643,10 @@ static HRESULT WINAPI TiffDecoder_GetThumbnail(IWICBitmapDecoder *iface,
     IWICBitmapSource **ppIThumbnail)
 {
     TRACE("(%p,%p)\n", iface, ppIThumbnail);
+
+    if (!ppIThumbnail) return E_INVALIDARG;
+
+    *ppIThumbnail = NULL;
     return WINCODEC_ERR_CODECNOTHUMBNAIL;
 }
 
-- 
2.11.4.GIT