Fix crash when entering a temporary channel when already in the channel.

diff --git a/src/channel.c b/src/channel.c
index 3524a966f9c958dfe52ca70eefc296596c0172ed..77ee4157dfe3fba941e29a76a6561c2d5b8e55b8 100644 (file)
--- a/src/channel.c
+++ b/src/channel.c
@@ -276,9 +276,12 @@ int Chan_userLeave(client_t *client)
 int Chan_userJoin(channel_t *ch, client_t *client)
 {
        int leaving_id;
+
+       /* Do nothing if user already is in this channel */
+       if ((channel_t *)client->channel == ch)
+               return 0;
        
        Log_debug("Add user %s to channel %s", client->username, ch->name); 
-
        /* Only allowed in one channel at a time */
        leaving_id = Chan_userLeave(client);
        list_add_tail(&client->chan_node, &ch->clients);