From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33612 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755491AbeCVNcJ (ORCPT ); Thu, 22 Mar 2018 09:32:09 -0400 Subject: Patch "serial: 8250_dw: Disable clock on error" has been added to the 4.14-stable tree To: Stefan.Potyra@elektrobit.com, alexander.levin@microsoft.com, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 22 Mar 2018 14:31:25 +0100 Message-ID: <1521725485158209@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled serial: 8250_dw: Disable clock on error to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: serial-8250_dw-disable-clock-on-error.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Mar 22 14:26:48 CET 2018 From: Stefan Potyra Date: Wed, 6 Dec 2017 16:46:12 +0100 Subject: serial: 8250_dw: Disable clock on error From: Stefan Potyra [ Upstream commit 8af016aa5a27c6a2505460eb4d83f1e70c38dc43 ] If there is no clock rate for uartclk defined, disable the previously enabled clock again. Found by Linux Driver Verification project (linuxtesting.org). Fixes: 23f5b3fdd04e serial: 8250_dw: only get the clock rate in one place Signed-off-by: Stefan Potyra Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/8250/8250_dw.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -513,7 +513,8 @@ static int dw8250_probe(struct platform_ /* If no clock rate is defined, fail. */ if (!p->uartclk) { dev_err(dev, "clock rate not defined\n"); - return -EINVAL; + err = -EINVAL; + goto err_clk; } data->pclk = devm_clk_get(dev, "apb_pclk"); Patches currently in stable-queue which might be from Stefan.Potyra@elektrobit.com are queue-4.14/serial-8250_dw-disable-clock-on-error.patch