From 83e069feb2a93699aa349266c28bbbfe402f7e15 Mon Sep 17 00:00:00 2001
From: Yamagi Burmeister <yamagi@yamagi.org>
Date: Sat, 2 Jun 2012 13:40:49 +0200
Subject: [PATCH] Abort if the clipplane is NULL.

---
 src/common/model/cm_boxtracing.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/common/model/cm_boxtracing.c b/src/common/model/cm_boxtracing.c
index 58c4213c..4d3b4218 100644
--- a/src/common/model/cm_boxtracing.c
+++ b/src/common/model/cm_boxtracing.c
@@ -156,6 +156,9 @@ void CM_ClipBoxToBrush (vec3_t mins, vec3_t maxs, vec3_t p1, vec3_t p2,
 			if (enterfrac < 0)
 				enterfrac = 0;
 
+			if (clipplane == NULL)
+				Com_Error(ERR_FATAL, "clipplane was NULL!\n");
+
 			trace->fraction = enterfrac;
 			trace->plane = *clipplane;
 			trace->surface = &(leadside->surface->c);