diff options
| author | Vincent Mailhol <mailhol.vincent@wanadoo.fr> | 2022-07-19 17:35:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-21 16:15:48 +0300 |
| commit | cddef4bbebea18bcbfde1bbe7ea13ddb5c947aad (patch) | |
| tree | 147a28b629926dea30a14f43712372f547a7be3e /drivers/net | |
| parent | 22e382d47de09e865a9214cc5c9f99256e65deaa (diff) | |
| download | linux-cddef4bbebea18bcbfde1bbe7ea13ddb5c947aad.tar.xz | |
can: sun4i_can: do not report txerr and rxerr during bus-off
[ Upstream commit 0ac15a8f661b941519379831d09bfb12271b23ee ]
During bus off, the error count is greater than 255 and can not fit in
a u8.
Fixes: 0738eff14d81 ("can: Allwinner A10/A20 CAN Controller support - Kernel module")
Link: https://lore.kernel.org/all/20220719143550.3681-7-mailhol.vincent@wanadoo.fr
CC: Chen-Yu Tsai <wens@csie.org>
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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/can/sun4i_can.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c index b3f2f4fe5ee0..39ddb3d849dd 100644 --- a/drivers/net/can/sun4i_can.c +++ b/drivers/net/can/sun4i_can.c @@ -525,11 +525,6 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status) rxerr = (errc >> 16) & 0xFF; txerr = errc & 0xFF; - if (skb) { - cf->data[6] = txerr; - cf->data[7] = rxerr; - } - if (isrc & SUN4I_INT_DATA_OR) { /* data overrun interrupt */ netdev_dbg(dev, "data overrun interrupt\n"); @@ -560,6 +555,10 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status) else state = CAN_STATE_ERROR_ACTIVE; } + if (skb && state != CAN_STATE_BUS_OFF) { + cf->data[6] = txerr; + cf->data[7] = rxerr; + } if (isrc & SUN4I_INT_BUS_ERR) { /* bus error interrupt */ netdev_dbg(dev, "bus error interrupt\n"); |