From: Vincent Mailhol Date: Tue, 19 Jul 2022 14:35:47 +0000 (+0900) Subject: can: usb_8dev: do not report txerr and rxerr during bus-off X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3d70b6605a942c6cc3d598311ef776a5498052de;p=linux.git 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@wanadoo.fr Signed-off-by: Vincent Mailhol Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index d4c8f934a1ce0..a5dee2ee24656 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -442,9 +442,10 @@ 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;