RE: [PATCH] scsi: ufs-hisi: Use PTR_ERR_OR_ZERO() in ufs_hisi_get_resource()

[Avri Altman]

> 
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sat, 7 Sep 2019 14:25:31 +0200
> 
> Simplify this function implementation by using a known function.
> 
> Generated by: scripts/coccinelle/api/ptr_ret.cocci
> 
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Avri Altman <avri.altman@xxxxxxx>

> ---
>  drivers/scsi/ufs/ufs-hisi.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c index
> f4d1dca962c4..a0ea57c19dbc 100644
> --- a/drivers/scsi/ufs/ufs-hisi.c
> +++ b/drivers/scsi/ufs/ufs-hisi.c
> @@ -454,10 +454,7 @@ static int ufs_hisi_get_resource(struct ufs_hisi_host
> *host)
>         /* get resource of ufs sys ctrl */
>         mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
>         host->ufs_sys_ctrl = devm_ioremap_resource(dev, mem_res);
> -       if (IS_ERR(host->ufs_sys_ctrl))
> -               return PTR_ERR(host->ufs_sys_ctrl);
> -
> -       return 0;
> +       return PTR_ERR_OR_ZERO(host->ufs_sys_ctrl);
>  }
> 
>  static void ufs_hisi_set_pm_lvl(struct ufs_hba *hba)
> --
> 2.23.0