This is a note to let you know that I've just added the patch titled can: usb_8dev: do not report txerr and rxerr during bus-off to the 4.19-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-usb_8dev-do-not-report-txerr-and-rxerr-during-bu.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit e5abd216d59da2c5058d34c2cee6f85d6706398a Author: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx> Date: Tue Jul 19 23:35:47 2022 +0900 can: usb_8dev: do not report txerr and rxerr during bus-off [ Upstream commit aebe8a2433cd090ccdc222861f44bddb75eb01de ] During bus off, the error count is greater than 255 and can not fit in a u8. Fixes: 0024d8ad1639 ("can: usb_8dev: Add support for USB2CAN interface from 8 devices") Link: https://lore.kernel.org/all/20220719143550.3681-10-mailhol.vincent@xxxxxxxxxx Signed-off-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index 232f45f722f0..5cb5be4dc941 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -453,9 +453,10 @@ static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv, if (rx_errors) stats->rx_errors++; - - cf->data[6] = txerr; - cf->data[7] = rxerr; + if (priv->can.state != CAN_STATE_BUS_OFF) { + cf->data[6] = txerr; + cf->data[7] = rxerr; + } priv->bec.txerr = txerr; priv->bec.rxerr = rxerr;