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charset="utf-8" Use dev_err_probe() to simplify the error path and unify a message template. Using this helper is totally fine even if err is known to never be -EPROBE_DEFER. The benefit compared to a normal dev_err() is the standardized format of the error code, it being emitted symbolically and the fact that the error code is returned which allows more compact error paths. Signed-off-by: Shen Lichuan --- drivers/net/ieee802154/at86rf230.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at= 86rf230.c index f632b0cfd5ae..3fb536734034 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -1532,11 +1532,9 @@ static int at86rf230_probe(struct spi_device *spi) =20 rc =3D device_property_read_u8(&spi->dev, "xtal-trim", &xtal_trim); if (rc < 0) { - if (rc !=3D -EINVAL) { - dev_err(&spi->dev, - "failed to parse xtal-trim: %d\n", rc); - return rc; - } + if (rc !=3D -EINVAL) + return dev_err_probe(&spi->dev, rc, + "failed to parse xtal-trim\n"); xtal_trim =3D 0; } =20 @@ -1576,9 +1574,8 @@ static int at86rf230_probe(struct spi_device *spi) =20 lp->regmap =3D devm_regmap_init_spi(spi, &at86rf230_regmap_spi_config); if (IS_ERR(lp->regmap)) { - rc =3D PTR_ERR(lp->regmap); - dev_err(&spi->dev, "Failed to allocate register map: %d\n", - rc); + dev_err_probe(&spi->dev, PTR_ERR(lp->regmap), + "Failed to allocate register map\n"); goto free_dev; } =20 --=20 2.17.1