From 09ba0ad6ae585f74be92e551ea2d95ef435554d0 Mon Sep 17 00:00:00 2001
From: pk910 <philipp@zoelle1.de>
Date: Wed, 4 Jul 2012 15:07:41 +0200
Subject: [PATCH] fixed double join bug in m_relay.c: users could join a
 channel having +a set multiple times

---
 ircd/m_relay.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ircd/m_relay.c b/ircd/m_relay.c
index 96676cd..3f0dcf6 100644
--- a/ircd/m_relay.c
+++ b/ircd/m_relay.c
@@ -65,6 +65,8 @@ static void mode_a_join(struct Client* cptr, char *channel, int flags) {
         }
     } else {
         struct JoinBuf join;
+        if(find_member_link(chptr, cptr))
+            return; //we have already joined this channel
         joinbuf_init(&join, cptr, cptr, JOINBUF_TYPE_JOIN, 0, 0);
         joinbuf_join(&join, chptr, flags);
         del_invite(cptr, chptr);
-- 
2.20.1