From: Vincent Mailhol mailhol.vincent@wanadoo.fr
[ Upstream commit 3a5c7e4611ddcf0ef37a3a17296b964d986161a6 ]
During bus off, the error count is greater than 255 and can not fit in a u8.
Fixes: 0c78ab76a05c ("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 --- drivers/net/can/pch_can.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index 888bef03de09..076b1339f806 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -496,6 +496,9 @@ static void pch_can_error(struct net_device *ndev, u32 status) cf->can_id |= CAN_ERR_BUSOFF; priv->can.can_stats.bus_off++; can_bus_off(ndev); + } else { + cf->data[6] = errc & PCH_TEC; + cf->data[7] = (errc & PCH_REC) >> 8; }
errc = ioread32(&priv->regs->errc); @@ -556,9 +559,6 @@ static void pch_can_error(struct net_device *ndev, u32 status) break; }
- cf->data[6] = errc & PCH_TEC; - cf->data[7] = (errc & PCH_REC) >> 8; - priv->can.state = state; netif_receive_skb(skb); }