From 9db6a70af583242ba5012f3451cd30a07d16b95f Mon Sep 17 00:00:00 2001
From: Vinson Lee <vlee@vmware.com>
Date: Sat, 27 Feb 2010 15:13:38 -0800
Subject: [PATCH] sis: Add assert to check function pointer is not null.

---
 src/mesa/drivers/dri/sis/sis_tris.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/drivers/dri/sis/sis_tris.c b/src/mesa/drivers/dri/sis/sis_tris.c
index 4b41d78d82a..e7471f97891 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;
       }
-- 
2.30.2