From 3c5f720c6fc92907c35ed26f10c0998e3c320d82 Mon Sep 17 00:00:00 2001
From: Simon Arlott <sa.me.uk>
Date: Sat, 30 Apr 2016 13:18:06 +0100
Subject: [PATCH] authd_check: don't try to update bl_stats if it doesn't exist

This can happen if all the blacklists are removed and then authd
sends a blacklisted response for a client.
---
 ircd/s_user.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ircd/s_user.c b/ircd/s_user.c
index 18104c6a..39c207ae 100644
--- a/ircd/s_user.c
+++ b/ircd/s_user.c
@@ -218,8 +218,9 @@ authd_check(struct Client *client_p, struct Client *source_p)
 			struct BlacklistStats *stats;
 			char *blacklist = source_p->preClient->auth.data;
 
-			if((stats = rb_dictionary_retrieve(bl_stats, blacklist)) != NULL)
-				stats->hits++;
+			if(bl_stats != NULL)
+				if((stats = rb_dictionary_retrieve(bl_stats, blacklist)) != NULL)
+					stats->hits++;
 
 			if(IsExemptKline(source_p) || IsConfExemptDNSBL(aconf))
 			{