From 101f7a6d634053c008775c1f36d396f1c3ecdd1b Mon Sep 17 00:00:00 2001
From: Badlop <badlop@process-one.net>
Date: Fri, 17 Apr 2020 15:01:37 +0200
Subject: Check if mod_muc_log is enabled before setting logging option (#3215)

---
 src/mod_muc_admin.erl | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src')

diff --git a/src/mod_muc_admin.erl b/src/mod_muc_admin.erl
index 78eca8e17..8e3d483b2 100644
--- a/src/mod_muc_admin.erl
+++ b/src/mod_muc_admin.erl
@@ -995,6 +995,15 @@ change_room_option(Name, Service, OptionString, ValueString) ->
 	    room_not_found;
 	Pid ->
 	    {Option, Value} = format_room_option(OptionString, ValueString),
+	    change_room_option(Pid, Option, Value)
+    end.
+
+change_room_option(Pid, Option, Value) ->
+    case {Option,
+	  gen_mod:is_loaded((get_room_state(Pid))#state.server_host, mod_muc_log)} of
+	{logging, false} ->
+	    mod_muc_log_not_enabled;
+	_ ->
 	    Config = get_room_config(Pid),
 	    Config2 = change_option(Option, Value, Config),
 	    {ok, _} = mod_muc_room:set_config(Pid, Config2),
-- 
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