From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752474AbcBUVqu (ORCPT ); Sun, 21 Feb 2016 16:46:50 -0500 Received: from mail.tnode.com ([46.54.226.45]:42967 "EHLO mail.tnode.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752195AbcBUVqB (ORCPT ); Sun, 21 Feb 2016 16:46:01 -0500 From: Andrej Krpic To: linux-kernel@vger.kernel.org Cc: jslaby@suse.com, gregkh@linuxfoundation.org, Andrej Krpic Subject: [PATCH 4/8] tty: n_gsm: send DM response when accessing an invalid channel Date: Sun, 21 Feb 2016 22:38:33 +0100 Message-Id: <1456090717-19913-5-git-send-email-ak77@tnode.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1456090717-19913-1-git-send-email-ak77@tnode.com> References: <1456090717-19913-1-git-send-email-ak77@tnode.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Change C/R bit in a response to a UI/UIH frame sent to non-existing/closed channel. As DM frame type is only valid as a response, it should be sent using gsm_response function. Signed-off-by: Andrej Krpic --- drivers/tty/n_gsm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 05b562d..8551fa4 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -1857,7 +1857,7 @@ static void gsm_queue(struct gsm_mux *gsm) goto invalid; #endif if (dlci == NULL || dlci->state != DLCI_OPEN) { - gsm_command(gsm, address, DM|PF); + gsm_response(gsm, address, DM|PF); return; } dlci->data(dlci, gsm->buf, gsm->len); -- 2.7.0