Replace the netdev_err() by NL_SET_ERR_MSG_FMT() to better inform the
user about the problem. While there, use %u to print unsigned values
and improve error message a bit.
In case of an error, return -EINVAL instead of -EDOM, this corresponds
better to the actual meaning of the error value.
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
---
drivers/net/can/dev/calc_bittiming.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/net/can/dev/calc_bittiming.c b/drivers/net/can/dev/calc_bittiming.c
index 4c9e9c0ceff3..3809c148fb88 100644
--- a/drivers/net/can/dev/calc_bittiming.c
+++ b/drivers/net/can/dev/calc_bittiming.c
@@ -134,13 +134,14 @@ int can_calc_bittiming(const struct net_device *dev, struct can_bittiming *bt,
do_div(v64, bt->bitrate);
bitrate_error = (u32)v64;
if (bitrate_error > CAN_CALC_MAX_ERROR) {
- netdev_err(dev,
- "bitrate error %d.%d%% too high\n",
- bitrate_error / 10, bitrate_error % 10);
- return -EDOM;
+ NL_SET_ERR_MSG_FMT(extack,
+ "bitrate error: %u.%u%% too high",
+ bitrate_error / 10, bitrate_error % 10);
+ return -EINVAL;
}
- netdev_warn(dev, "bitrate error %d.%d%%\n",
- bitrate_error / 10, bitrate_error % 10);
+ NL_SET_ERR_MSG_FMT(extack,
+ "bitrate error: %u.%u%%",
+ bitrate_error / 10, bitrate_error % 10);
}
/* real sample point */
--
2.39.1
