From 00afdab3929cc3c20579f2582232a0301c636a57 Mon Sep 17 00:00:00 2001
From: akrus <akrus@54d463be-8e91-2dee-dedb-b68131a5f0ec>
Date: Tue, 21 Apr 2009 08:32:05 +0000
Subject: [PATCH] Crashfix for negative skill id values (bugreport:2984)

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@13684 54d463be-8e91-2dee-dedb-b68131a5f0ec
---
 src/map/skill.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/map/skill.c b/src/map/skill.c
index ac6bf6957d..7620fe91b9 100644
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -9782,7 +9782,7 @@ struct skill_unit_group* skill_initunitgroup (struct block_list* src, int count,
 	struct skill_unit_group* group;
 	int i;
 
-	if(skilllv <= 0) return 0;
+	if(skillid <= 0 || skilllv <= 0) return 0;
 
 	nullpo_retr(NULL, src);
 	nullpo_retr(NULL, ud);