Rob Shearman : ole32: Fail before constructing an object in CreateStreamOnHGlobal to avoid a memory leak .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4edca3cf4d52e40b45e829bd817c98be5bd1831a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4edca3cf4d52e40b45e829bd81...

Author: Rob Shearman <rob(a)codeweavers.com>
Date:   Mon Nov 12 20:10:32 2007 +0000

ole32: Fail before constructing an object in CreateStreamOnHGlobal to avoid a memory leak.

---

 dlls/ole32/hglobalstream.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/dlls/ole32/hglobalstream.c b/dlls/ole32/hglobalstream.c
index e6d2f73..2175214 100644
--- a/dlls/ole32/hglobalstream.c
+++ b/dlls/ole32/hglobalstream.c
@@ -721,6 +721,9 @@ HRESULT WINAPI CreateStreamOnHGlobal(
 {
   HGLOBALStreamImpl* newStream;
 
+  if (!ppstm)
+    return E_INVALIDARG;
+
   newStream = HGLOBALStreamImpl_Construct(hGlobal,
 					  fDeleteOnRelease);