Fixed null dereference when WebSocket protocol is omitted

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@394442 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_http_websocket.c b/res/res_http_websocket.c
index 0726950bb67b7e0cbcae84ac253bdf2560a188f8..f4c44c4e9082a7d573ac9f395a0ba11e4345435c 100644 (file)
--- a/res/res_http_websocket.c
+++ b/res/res_http_websocket.c
@@ -653,7 +653,7 @@ int ast_websocket_uri_cb(struct ast_tcptls_session_instance *ser, const struct a
                return 0;
        }
 
-       ast_verb(2, "WebSocket connection from '%s' for protocol '%s' accepted using version '%d'\n", ast_sockaddr_stringify(&ser->remote_address), protocol, version);
+       ast_verb(2, "WebSocket connection from '%s' for protocol '%s' accepted using version '%d'\n", ast_sockaddr_stringify(&ser->remote_address), protocol ? : "", version);
 
        /* Populate the session with all the needed details */
        session->f = ser->f;