linux-kernel - Re: [PATCH] pinctrl: mcp23s08: Split to three parts: fix ptr

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Message-ID: <20200608035859.GB2428291@smile.fi.intel.com>
Date:   Mon, 8 Jun 2020 06:58:59 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org
Subject: Re: [PATCH] pinctrl: mcp23s08: Split to three parts: fix
 ptr_ret.cocci warnings

On Mon, Jun 08, 2020 at 09:02:53AM +0800, kernel test robot wrote:
> From: kernel test robot <lkp@...el.com>
> 
> drivers/pinctrl/pinctrl-mcp23s08_spi.c:129:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> 
> 
>  Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> 
> Generated by: scripts/coccinelle/api/ptr_ret.cocci

Makes sense.
Acked-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> 
> Fixes: 0f04a81784fe ("pinctrl: mcp23s08: Split to three parts: core, I²C, SPI")
> CC: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: kernel test robot <lkp@...el.com>
> ---
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   cf0c97f148e9e50aa5a7ddd1984a604dd2bde4af
> commit: 0f04a81784fe3ddc00cae74c517265b3ddb8825c pinctrl: mcp23s08: Split to three parts: core, I²C, SPI
> 
>  pinctrl-mcp23s08_spi.c |    5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> --- a/drivers/pinctrl/pinctrl-mcp23s08_spi.c
> +++ b/drivers/pinctrl/pinctrl-mcp23s08_spi.c
> @@ -126,10 +126,7 @@ static int mcp23s08_spi_regmap_init(stru
>  	copy->name = name;
>  
>  	mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp, copy);
> -	if (IS_ERR(mcp->regmap))
> -		return PTR_ERR(mcp->regmap);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(mcp->regmap);
>  }
>  
>  static int mcp23s08_probe(struct spi_device *spi)

-- 
With Best Regards,
Andy Shevchenko