From 449ee66a11d1cf4a97ceffd494bfbdcc76d33d16 Mon Sep 17 00:00:00 2001
From: Corey Farrell <git@cfware.com>
Date: Wed, 18 Oct 2017 14:37:57 -0400
Subject: [PATCH] res_pjsip_refer: Prevent unload except during shutdown.

Prevent unload of the module as certain pjsip initialization functions
cannot be reversed.

ASTERISK-24483

Change-Id: I94597ec8b8491f5af9c57bf66dbc3b078fe2d49d
---
 res/res_pjsip_refer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/res/res_pjsip_refer.c b/res/res_pjsip_refer.c
index 456e09dd81..62f8b67de3 100644
--- a/res/res_pjsip_refer.c
+++ b/res/res_pjsip_refer.c
@@ -1211,6 +1211,8 @@ static int load_module(void)
 	ast_sip_register_service(&refer_progress_module);
 	ast_sip_session_register_supplement(&refer_supplement);
 
+	ast_module_shutdown_ref(ast_module_info->self);
+
 	return AST_MODULE_LOAD_SUCCESS;
 }
 
-- 
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