From e9e11f160501e2dbd60351968a496e9c4bed5e6d Mon Sep 17 00:00:00 2001
From: Zack Middleton <zack@cloemail.com>
Date: Sat, 21 Apr 2018 14:07:22 -0500
Subject: [PATCH] Fix possible bot goal state NULL pointer dereference

---
 code/botlib/be_ai_goal.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/code/botlib/be_ai_goal.c b/code/botlib/be_ai_goal.c
index 0bbc6a5e..4df36887 100644
--- a/code/botlib/be_ai_goal.c
+++ b/code/botlib/be_ai_goal.c
@@ -227,6 +227,9 @@ void BotInterbreedGoalFuzzyLogic(int parent1, int parent2, int child)
 	p2 = BotGoalStateFromHandle(parent2);
 	c = BotGoalStateFromHandle(child);
 
+	if (!p1 || !p2 || !c)
+		return;
+
 	InterbreedWeightConfigs(p1->itemweightconfig, p2->itemweightconfig,
 									c->itemweightconfig);
 } //end of the function BotInterbreedingGoalFuzzyLogic
@@ -241,7 +244,7 @@ void BotSaveGoalFuzzyLogic(int goalstate, char *filename)
 	//bot_goalstate_t *gs;
 
 	//gs = BotGoalStateFromHandle(goalstate);
-
+	//if (!gs) return;
 	//WriteWeightConfig(filename, gs->itemweightconfig);
 } //end of the function BotSaveGoalFuzzyLogic
 //===========================================================================
@@ -255,7 +258,7 @@ void BotMutateGoalFuzzyLogic(int goalstate, float range)
 	bot_goalstate_t *gs;
 
 	gs = BotGoalStateFromHandle(goalstate);
-
+	if (!gs) return;
 	EvolveWeightConfig(gs->itemweightconfig);
 } //end of the function BotMutateGoalFuzzyLogic
 //===========================================================================