Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-09-05 18:26:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

Check the surface pointer before accessing it to get a handle

Browse source 
svn path=/trunk/; revision=42866
This commit is contained in:
Gregor Schneider 2009-08-22 18:44:17 +00:00
parent 6be4617f84
commit 9d4ec238ee
1 changed files with 6 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
reactos/dll/win32/gdi32/misc/gdientry.c
View file

@ -2047,15 +2047,18 @@ DdGetDxHandle(LPDDRAWI_DIRECTDRAW_LCL pDDraw,
BOOL bRelease) BOOL bRelease)
{ {
HANDLE hDD = NULL; HANDLE hDD = NULL;
HANDLE hSurface = (HANDLE)pSurface->hDDSurface; HANDLE hSurface = NULL;
/* Check if we already have a surface */ /* Check if we already have a surface */
if (!pSurface) if (!pSurface)
{ {
/* We don't have one, use the DirectDraw Object handle instead */ /* We don't have one, use the DirectDraw Object handle instead */
hSurface = NULL;
hDD = GetDdHandle(pDDraw->lpGbl->hDD); hDD = GetDdHandle(pDDraw->lpGbl->hDD);
} }
else
{
hSurface = (HANDLE)pSurface->hDDSurface;
}
/* Call the API */ /* Call the API */
return (HANDLE)NtGdiDdGetDxHandle(hDD, hSurface, bRelease); return (HANDLE)NtGdiDdGetDxHandle(hDD, hSurface, bRelease);