Merge "res_pjsip_pubsub: Hold module reference for publications." into 15

res/res_pjsip_pubsub.c

@@ -3096,6 +3096,8 @@ static void publication_destroy_fn(void *obj)
 
 	ao2_cleanup(publication->datastores);
 	ao2_cleanup(publication->endpoint);
+
+	ast_module_unref(ast_module_info->self);
 }
 
 static struct ast_sip_publication *sip_create_publication(struct ast_sip_endpoint *endpoint, pjsip_rx_data *rdata,
@@ -3112,6 +3114,8 @@ static struct ast_sip_publication *sip_create_publication(struct ast_sip_endpoin
 		return NULL;
 	}
 
+	ast_module_ref(ast_module_info->self);
+
 	if (!(publication->datastores = ast_datastores_alloc())) {
 		ao2_ref(publication, -1);
 		return NULL;