From fdb66505bfcb6bf24f4c1de5239f590b7a8426e6 Mon Sep 17 00:00:00 2001
From: Thilo Schulz <arny@ats.s.bawue.de>
Date: Sat, 22 Jan 2011 01:10:34 +0000
Subject: [PATCH] Fix potential segfault when no PK3s have been loaded (may
 happen when compiled with -DSTANDALONE)

---
 code/renderer/tr_shader.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/code/renderer/tr_shader.c b/code/renderer/tr_shader.c
index 1a68e820..75563d93 100644
--- a/code/renderer/tr_shader.c
+++ b/code/renderer/tr_shader.c
@@ -2327,6 +2327,9 @@ static char *FindShaderInShaderText( const char *shadername ) {
 
 	hash = generateHashValue(shadername, MAX_SHADERTEXT_HASH);
 
+	if(!shaderTextHashTable[hash])
+		return NULL;
+
 	for (i = 0; shaderTextHashTable[hash][i]; i++) {
 		p = shaderTextHashTable[hash][i];
 		token = COM_ParseExt(&p, qtrue);