From: Nathan Chancellor <nathan@kernel.org>
To: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio@vger.kernel.org, "Arnd Bergmann" <arnd@kernel.org>,
"Andy Shevchenko" <andy.shevchenko@gmail.com>,
"Joe Perches" <joe@perches.com>,
"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
"Maxime Roussin-Bélanger" <maxime.roussinbelanger@gmail.com>
Subject: Re: [PATCH v2 2/4] iio: light: si1133: Drop remaining uses of %hhx format string.
Date: Wed, 9 Jun 2021 08:27:54 -0700 [thread overview]
Message-ID: <YMDd+o8joxdJonLU@Ryzen-9-3900X> (raw)
In-Reply-To: <20210603180612.3635250-3-jic23@kernel.org>
On Thu, Jun 03, 2021 at 07:06:10PM +0100, Jonathan Cameron wrote:
> From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
>
> Since:
> commit cbacb5ab0aa0 ("docs: printk-formats: Stop encouraging use of
> unnecessary %h[xudi] and %hh[xudi]")
> use of these format strings has been discouraged.
>
> Use the 0x02x form as the length specifier when used with # includes
> the 0x prefix and is very unlikely to be what was intended by the author.
>
> As there are not that many in IIO, this is part of an effort to clear
> them out so we don't have any instances that might get copied into
> new drivers.
>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Cc: Maxime Roussin-Bélanger <maxime.roussinbelanger@gmail.com>
> Cc: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> drivers/iio/light/si1133.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/iio/light/si1133.c b/drivers/iio/light/si1133.c
> index 0accea7090ee..f8c9b2cc322e 100644
> --- a/drivers/iio/light/si1133.c
> +++ b/drivers/iio/light/si1133.c
> @@ -352,22 +352,22 @@ static int si1133_parse_response_err(struct device *dev, u32 resp, u8 cmd)
>
> switch (resp) {
> case SI1133_ERR_OUTPUT_BUFFER_OVERFLOW:
> - dev_warn(dev, "Output buffer overflow: %#02hhx\n", cmd);
> + dev_warn(dev, "Output buffer overflow: 0x%02x\n", cmd);
> return -EOVERFLOW;
> case SI1133_ERR_SATURATION_ADC_OR_OVERFLOW_ACCUMULATION:
> - dev_warn(dev, "Saturation of the ADC or overflow of accumulation: %#02hhx\n",
> + dev_warn(dev, "Saturation of the ADC or overflow of accumulation: 0x%02x\n",
> cmd);
> return -EOVERFLOW;
> case SI1133_ERR_INVALID_LOCATION_CMD:
> dev_warn(dev,
> - "Parameter access to an invalid location: %#02hhx\n",
> + "Parameter access to an invalid location: 0x%02x\n",
> cmd);
> return -EINVAL;
> case SI1133_ERR_INVALID_CMD:
> - dev_warn(dev, "Invalid command %#02hhx\n", cmd);
> + dev_warn(dev, "Invalid command 0x%02x\n", cmd);
> return -EINVAL;
> default:
> - dev_warn(dev, "Unknown error %#02hhx\n", cmd);
> + dev_warn(dev, "Unknown error 0x%02x\n", cmd);
> return -EINVAL;
> }
> }
> @@ -400,7 +400,7 @@ static int si1133_command(struct si1133_data *data, u8 cmd)
>
> err = regmap_write(data->regmap, SI1133_REG_COMMAND, cmd);
> if (err) {
> - dev_warn(dev, "Failed to write command %#02hhx, ret=%d\n", cmd,
> + dev_warn(dev, "Failed to write command 0x%02x, ret=%d\n", cmd,
> err);
> goto out;
> }
> @@ -425,7 +425,7 @@ static int si1133_command(struct si1133_data *data, u8 cmd)
> SI1133_CMD_TIMEOUT_MS * 1000);
> if (err) {
> dev_warn(dev,
> - "Failed to read command %#02hhx, ret=%d\n",
> + "Failed to read command 0x%02x, ret=%d\n",
> cmd, err);
> goto out;
> }
> --
> 2.31.1
next prev parent reply other threads:[~2021-06-09 15:27 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 18:06 [PATCH v2 0/4] iio: Drop use of %hhx and %hx format strings Jonathan Cameron
2021-06-03 18:06 ` [PATCH v2 1/4] iio: si1133: fix format string warnings Jonathan Cameron
2021-06-09 15:27 ` Nathan Chancellor
2021-06-03 18:06 ` [PATCH v2 2/4] iio: light: si1133: Drop remaining uses of %hhx format string Jonathan Cameron
2021-06-09 15:27 ` Nathan Chancellor [this message]
2021-06-03 18:06 ` [PATCH v2 3/4] iio: imu: inv_mpu6050: Drop use " Jonathan Cameron
2021-06-09 15:28 ` Nathan Chancellor
2021-06-03 18:06 ` [PATCH v2 4/4] iio: light: si1145: Drop use of %hhx format specifier Jonathan Cameron
2021-06-09 15:29 ` Nathan Chancellor
2021-06-03 18:58 ` General kernel misuse of vsnprintf SPECIAL %#<foo> (was: Re: [PATCH v2 0/4] iio: Drop use of %hhx and %hx format strings) Joe Perches
2021-06-03 19:25 ` Jonathan Cameron
2021-06-03 19:34 ` Joe Perches
2021-06-04 8:27 ` Jonathan Cameron
2021-06-09 13:09 ` [PATCH v2 0/4] iio: Drop use of %hhx and %hx format strings Jonathan Cameron
2021-06-09 17:32 ` Jonathan Cameron
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