move some code to avoid deref of NULL ptr

2007-12-12 14:45:22 -07:00
parent 06036bc8c4
commit a51d0e419a
1 changed files with 3 additions and 3 deletions
@@ -147,10 +147,10 @@ sp_tile_cache_set_surface(struct softpipe_tile_cache *tc,

   pipe_surface_reference(&tc->surface, ps);

-   if (!ps->map)
-      pipe_surface_map(ps);
-
   if (ps) {
+      if (!ps->map)
+         pipe_surface_map(ps);
+
      tc->depth_stencil = (ps->format == PIPE_FORMAT_S8Z24_UNORM ||
                           ps->format == PIPE_FORMAT_Z16_UNORM ||
                           ps->format == PIPE_FORMAT_Z32_UNORM ||