Mesa (master): draw: Add assert to check input of memcpy.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: 6536cdf1836a302d334f7380d1723e8f0bc396be
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6536cdf1836a302d334f7380d1723e8f0bc396be

Author: Vinson Lee <vlee at vmware.com>
Date:   Sun Feb 14 22:58:26 2010 -0800

draw: Add assert to check input of memcpy.

---

 src/gallium/auxiliary/draw/draw_vs.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c
index 6bdd612..9085838 100644
--- a/src/gallium/auxiliary/draw/draw_vs.c
+++ b/src/gallium/auxiliary/draw/draw_vs.c
@@ -61,6 +61,7 @@ draw_vs_set_constants(struct draw_context *draw,
          }
          draw->vs.aligned_constant_storage[slot] = align_malloc(size, 16);
       }
+      assert(constants);
       memcpy((void *)draw->vs.aligned_constant_storage[slot],
              constants,
              size);