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can: usb_8dev: do not report txerr and rxerr during bus-off

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[ Upstream commit aebe8a2433 ]

During bus off, the error count is greater than 255 and can not fit in
a u8.

Fixes: 0024d8ad16 ("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 <mailhol.vincent@wanadoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vincent Mailhol
2022-07-19 23:35:47 +09:00
committed by Greg Kroah-Hartman
parent 46968be06c
commit 3dafe5f6a0
1 changed files with 4 additions and 3 deletions
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7
drivers/net/can/usb/usb_8dev.c
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@ -438,9 +438,10 @@ 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;