i915: check for NULL const buffer ptr

2008-03-14 10:23:11 -06:00
parent a254d0c368
commit 027433176c
1 changed files with 1 additions and 1 deletions
@@ -516,7 +516,7 @@ static void i915_set_constant_buffer(struct pipe_context *pipe,
    * stays the same.  In that case we should only be updating the first
    * N constants, leaving any extras from shader translation alone.
    */
-   {
+   if (buf) {
      void *mapped;
      if (buf->size &&
          (mapped = ws->buffer_map(ws, buf->buffer,