linux-kernel - Re: [PATCH] i2c: npcm7xx: barco-p50-gpio: Add check for platform_driver

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Message-ID: <CAHb3i=v+LV=sGCX8obuy=sXBFvnP9k-THb=mGw4ze8M5AVCYoQ@mail.gmail.com>
Date:   Thu, 26 May 2022 14:42:20 +0300
From:   Tali Perry <tali.perry1@...il.com>
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     avifishman70@...il.com, Tomer Maimon <tmaimon77@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        Linux I2C <linux-i2c@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i2c: npcm7xx: barco-p50-gpio: Add check for platform_driver_register

On Thu, May 26, 2022 at 12:41 PM Jiasheng Jiang <jiasheng@...as.ac.cn> wrote:
>
> As platform_driver_register() could fail, it should be better
> to deal with the return value in order to maintain the code
> consisitency.
>
> Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
> Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
> ---
>  drivers/i2c/busses/i2c-npcm7xx.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c
> index 71aad029425d..08737fa2dcbf 100644
> --- a/drivers/i2c/busses/i2c-npcm7xx.c
> +++ b/drivers/i2c/busses/i2c-npcm7xx.c
> @@ -2336,8 +2336,7 @@ static struct platform_driver npcm_i2c_bus_driver = {
>  static int __init npcm_i2c_init(void)
>  {
>         npcm_i2c_debugfs_dir = debugfs_create_dir("npcm_i2c", NULL);
> -       platform_driver_register(&npcm_i2c_bus_driver);
> -       return 0;
> +       return platform_driver_register(&npcm_i2c_bus_driver);
>  }
>  module_init(npcm_i2c_init);
>
> --
> 2.25.1
>
thanks, Jiansheng !

Acked-by: Tali Perry <tali.perry1@...il.com>