Dmitry Timoshkov : windowscodecs: Add a NULL check to GetFrameCount of the BMP decoder.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: afd1ddbe0d34ea2ab2bd9867aedf3e1cf9f41f8f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=afd1ddbe0d34ea2ab2bd9867ae...

Author: Dmitry Timoshkov 
Date:   Fri Nov 23 11:47:35 2012 +0800

windowscodecs: Add a NULL check to GetFrameCount of the BMP decoder.

---

dlls/windowscodecs/bmpdecode.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/dlls/windowscodecs/bmpdecode.c b/dlls/windowscodecs/bmpdecode.c
index 7b3f82d..54de0f1 100644
--- a/dlls/windowscodecs/bmpdecode.c
+++ b/dlls/windowscodecs/bmpdecode.c
@@ -1113,6 +1113,8 @@ static HRESULT WINAPI BmpDecoder_GetThumbnail(IWICBitmapDecoder *iface,
 static HRESULT WINAPI BmpDecoder_GetFrameCount(IWICBitmapDecoder *iface,
     UINT *pCount)
 {
+    if (!pCount) return E_INVALIDARG;
+
     *pCount = 1;
     return S_OK;
 }