From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56126 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932325AbeB1POh (ORCPT ); Wed, 28 Feb 2018 10:14:37 -0500 Subject: Patch "can: flex_can: Correct the checking for frame length in flexcan_start_xmit()" has been added to the 4.9-stable tree To: phu.luuan@nxp.com, alexander.levin@microsoft.com, gregkh@linuxfoundation.org, mkl@pengutronix.de, socketcan@hartkopp.net Cc: , From: Date: Wed, 28 Feb 2018 16:14:23 +0100 Message-ID: <151983086324882@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 can: flex_can: Correct the checking for frame length in flexcan_start_xmit() to the 4.9-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: can-flex_can-correct-the-checking-for-frame-length-in-flexcan_start_xmit.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Wed Feb 28 16:13:29 CET 2018 From: Luu An Phu Date: Tue, 2 Jan 2018 10:44:18 +0700 Subject: can: flex_can: Correct the checking for frame length in flexcan_start_xmit() From: Luu An Phu [ Upstream commit 13454c14550065fcc1705d6bd4ee6d40e057099f ] The flexcan_start_xmit() function compares the frame length with data register length to write frame content into data[0] and data[1] register. Data register length is 4 bytes and frame maximum length is 8 bytes. Fix the check that compares frame length with 3. Because the register length is 4. Signed-off-by: Luu An Phu Reviewed-by: Oliver Hartkopp Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/can/flexcan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -493,7 +493,7 @@ static int flexcan_start_xmit(struct sk_ data = be32_to_cpup((__be32 *)&cf->data[0]); flexcan_write(data, ®s->mb[FLEXCAN_TX_BUF_ID].data[0]); } - if (cf->can_dlc > 3) { + if (cf->can_dlc > 4) { data = be32_to_cpup((__be32 *)&cf->data[4]); flexcan_write(data, ®s->mb[FLEXCAN_TX_BUF_ID].data[1]); } Patches currently in stable-queue which might be from phu.luuan@nxp.com are queue-4.9/can-flex_can-correct-the-checking-for-frame-length-in-flexcan_start_xmit.patch