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

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 03efd5c0f78354e1182133ec8246d09594ac38eb
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=03efd5c0f78354e1182133ec82...

Author: Dmitry Timoshkov 
Date:   Fri Nov 23 11:50:20 2012 +0800

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

---

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

diff --git a/dlls/windowscodecs/tgaformat.c b/dlls/windowscodecs/tgaformat.c
index cd615c7..ac57e54 100644
--- a/dlls/windowscodecs/tgaformat.c
+++ b/dlls/windowscodecs/tgaformat.c
@@ -405,6 +405,8 @@ static HRESULT WINAPI TgaDecoder_GetThumbnail(IWICBitmapDecoder *iface,
 static HRESULT WINAPI TgaDecoder_GetFrameCount(IWICBitmapDecoder *iface,
     UINT *pCount)
 {
+    if (!pCount) return E_INVALIDARG;
+
     *pCount = 1;
     return S_OK;
 }