From: Chia-I Wu <olv@lunarg.com>
Date: Wed, 10 Mar 2010 14:58:51 +0000 (+0800)
Subject: i915g: Prevent NULL dereference.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c47c73293d359c00abb34c39d1163b4c55f531de;p=mesa.git

i915g: Prevent NULL dereference.

bind_vertex_elements_state may be called with NULL velems.  Do nothing
if that is the case.
---

diff --git a/src/gallium/drivers/i915/i915_state.c b/src/gallium/drivers/i915/i915_state.c
index 8927dfc33d4..377d8425a5c 100644
--- a/src/gallium/drivers/i915/i915_state.c
+++ b/src/gallium/drivers/i915/i915_state.c
@@ -770,7 +770,10 @@ i915_bind_vertex_elements_state(struct pipe_context *pipe,
    draw_flush(i915->draw);
 
    /* pass-through to draw module */
-   draw_set_vertex_elements(i915->draw, i915_velems->count, i915_velems->velem);
+   if (i915_velems) {
+      draw_set_vertex_elements(i915->draw,
+            i915_velems->count, i915_velems->velem);
+   }
 }
 
 static void