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

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[ Upstream commit 3a5c7e4611 ]

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

Fixes: 0c78ab76a0 ("pch_can: Add setting TEC/REC statistics processing")
Link: https://lore.kernel.org/all/20220719143550.3681-2-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 23:35:39 +09:00 committed by Greg Kroah-Hartman
parent d2b9e664bb
commit 5d85a89875
1 changed files with 3 additions and 3 deletions
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6
drivers/net/can/pch_can.c
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@ -496,6 +496,9 @@ static void pch_can_error(struct net_device *ndev, u32 status)
cf->can_id |= CAN_ERR_BUSOFF; cf->can_id |= CAN_ERR_BUSOFF;
priv->can.can_stats.bus_off++; priv->can.can_stats.bus_off++;
can_bus_off(ndev); can_bus_off(ndev);
} else {
cf->data[6] = errc & PCH_TEC;
cf->data[7] = (errc & PCH_REC) >> 8;
} }
errc = ioread32(&priv->regs->errc); errc = ioread32(&priv->regs->errc);
@ -556,9 +559,6 @@ static void pch_can_error(struct net_device *ndev, u32 status)
break; break;
} }
cf->data[6] = errc & PCH_TEC;
cf->data[7] = (errc & PCH_REC) >> 8;
priv->can.state = state; priv->can.state = state;
netif_receive_skb(skb); netif_receive_skb(skb);