$NetBSD$

--- programs/Xserver/hw/xfree86/drivers/ati/atimach64xv.c.orig	2005-07-11 02:29:44.000000000 +0000
+++ programs/Xserver/hw/xfree86/drivers/ati/atimach64xv.c
@@ -959,6 +959,9 @@ ATIMach64PutImage
     if (pATI->ActiveSurface)
         return Success;
 
+    if (DstW == 0 || DstH == 0)
+        return BadValue;
+
     if (!ATIMach64ClipVideo(pScreenInfo, pATI, ImageID,
                             SrcX, SrcY, SrcW, SrcH,
                             DstX, DstY, &DstW, &DstH,