linux-kernel - Re: [PATCH] drivers: iio: Drop unnecessary explicit casting

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Date:   Sat, 21 Mar 2020 05:26:52 -0700
From:   Joe Perches <joe@...ches.com>
To:     Nishant Malpani <nish.malpani25@...il.com>, jic23@...nel.org
Cc:     knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: iio: Drop unnecessary explicit casting

On Wed, 2020-03-18 at 15:37 +0530, Nishant Malpani wrote:
> Provide correct specifiers while printing error logs to discard the use
> of unnecessary explicit casting.
[]
> diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c
[]
> @@ -21,8 +21,8 @@ static int kxsd9_i2c_probe(struct i2c_client *i2c,
>  
>  	regmap = devm_regmap_init_i2c(i2c, &config);
>  	if (IS_ERR(regmap)) {
> -		dev_err(&i2c->dev, "Failed to register i2c regmap %d\n",
> -			(int)PTR_ERR(regmap));
> +		dev_err(&i2c->dev, "Failed to register i2c regmap %ld\n",
> +			PTR_ERR(regmap));

Another option would be to use %pe to print the error identifier
and not the error number

etc...