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fixes crash in DrvSetPointerShape()

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svn path=/trunk/; revision=6607
This commit is contained in:
Thomas Bluemel 2003-11-10 19:42:57 +00:00
parent 5b827d7354
commit 7f64c6fa81
1 changed files with 7 additions and 1 deletions
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8
reactos/drivers/dd/vga/display/objects/pointer.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: pointer.c,v 1.15 2003/09/10 07:24:31 gvg Exp $
/* $Id: pointer.c,v 1.16 2003/11/10 19:42:57 weiden Exp $
*
* PROJECT: ReactOS VGA16 display driver
* FILE: drivers/dd/vga/display/objects/pointer.c
@ -219,6 +219,12 @@ DrvSetPointerShape(PSURFOBJ pso,
ULONG NewWidth, NewHeight;
PUCHAR Src, Dest;
ULONG i, j;
if(!psoMask)
{
VGADDI_HideCursor(ppdev);
return SPS_ACCEPT_EXCLUDE;
}
NewWidth = psoMask->lDelta << 3;
NewHeight = (psoMask->cjBits / psoMask->lDelta) / 2;