Rob Shearman : ole32: Fix Read/ WriteClassStm to return an error if the passed in stream pointer is NULL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 35548d15c4bca00504915ea657d9db84cd7fb860
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=35548d15c4bca00504915ea657...

Author: Rob Shearman <rob(a)codeweavers.com>
Date:   Tue Jan  9 17:17:40 2007 +0000

ole32: Fix Read/WriteClassStm to return an error if the passed in stream pointer is NULL.

---

 dlls/ole32/storage32.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/ole32/storage32.c b/dlls/ole32/storage32.c
index ac8264d..450d5cd 100644
--- a/dlls/ole32/storage32.c
+++ b/dlls/ole32/storage32.c
@@ -7901,7 +7901,7 @@ HRESULT WINAPI WriteClassStm(IStream *pS
 {
     TRACE("(%p,%p)\n",pStm,rclsid);
 
-    if (rclsid==NULL)
+    if (!pStm || !rclsid)
         return E_INVALIDARG;
 
     return IStream_Write(pStm,rclsid,sizeof(CLSID),NULL);
@@ -7927,7 +7927,7 @@ HRESULT WINAPI ReadClassStm(IStream *pSt
 
     TRACE("(%p,%p)\n",pStm,pclsid);
 
-    if (pclsid==NULL)
+    if (!pStm || !pclsid)
         return E_INVALIDARG;
 
     res = IStream_Read(pStm,(void*)pclsid,sizeof(CLSID),&nbByte);