Louis Lenders : gdiplus: Fix argument check in GdipLoadImageFromStream().

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: ef317b365b5782fca872de030058a12041bcd68d
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=ef317b365b5782fca872de030...

Author: Louis Lenders 
Date:   Wed Feb 28 09:34:34 2018 +0300

gdiplus: Fix argument check in GdipLoadImageFromStream().

Signed-off-by: Nikolay Sivov 
Signed-off-by: Vincent Povirk 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 1ac02c2385a68b39438c5a869b0e620b705ece88)
Signed-off-by: Michael Stefaniuc

---

dlls/gdiplus/image.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/gdiplus/image.c b/dlls/gdiplus/image.c
index c0b54d0..b03630c 100644
--- a/dlls/gdiplus/image.c
+++ b/dlls/gdiplus/image.c
@@ -4314,6 +4314,11 @@ GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream *stream, GpImage **image)
     HRESULT hr;
     const struct image_codec *codec=NULL;

+    TRACE("%p %p\n", stream, image);
+
+    if (!stream || !image)
+        return InvalidParameter;
+
     /* choose an appropriate image decoder */
     stat = get_decoder_info(stream, &codec);
     if (stat != Ok) return stat;