Mesa (master): sis: Add assert to check function pointer is not null.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: 9db6a70af583242ba5012f3451cd30a07d16b95f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9db6a70af583242ba5012f3451cd30a07d16b95f

Author: Vinson Lee <vlee at vmware.com>
Date:   Sat Feb 27 15:13:38 2010 -0800

sis: Add assert to check function pointer is not null.

---

 src/mesa/drivers/dri/sis/sis_tris.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/sis/sis_tris.c b/src/mesa/drivers/dri/sis/sis_tris.c
index 4b41d78..e7471f9 100644
--- a/src/mesa/drivers/dri/sis/sis_tris.c
+++ b/src/mesa/drivers/dri/sis/sis_tris.c
@@ -994,6 +994,7 @@ sisFlushPrimsLocked(sisContextPtr smesa)
 	 MMIO(REG_3D_PrimitiveSet, smesa->dwPrimitiveSet);
       }
       while (smesa->vb_last < smesa->vb_cur) {
+	 assert(sis_emit_func);
 	 sis_emit_func(smesa, (char *)smesa->vb_last);
 	 smesa->vb_last += incr;
       }