From df20c3943ab4e20055f8e731f112aa9fd8d66068 Mon Sep 17 00:00:00 2001
From: Vinson Lee <vlee@vmware.com>
Date: Thu, 4 Mar 2010 00:53:52 -0800
Subject: [PATCH] glsl: Add assert to check input to strcmp.

---
 src/mesa/shader/slang/slang_builtin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c
index f0659a8d8bb..791e751526d 100644
--- a/src/mesa/shader/slang/slang_builtin.c
+++ b/src/mesa/shader/slang/slang_builtin.c
@@ -182,6 +182,7 @@ lookup_statevar(const char *var, GLint index1, GLint index2, const char *field,
          tokens[1] = 0;
       else
          tokens[1] = 1;
+      assert(field);
       if (strcmp(field, "emission") == 0) {
          tokens[2] = STATE_EMISSION;
       }
-- 
2.30.2