Re: [PATCH] ata: libata-core: Simplify ata_dev_set_xfermode()

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On Fri, Aug 26, 2022 at 07:45:19AM +0900, Damien Le Moal wrote:
> The err_mask variable is not useful. Remove it.
> 
> Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
> ---
>  drivers/ata/libata-core.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index 0b62fa14a74c..d0242c75aac5 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -4295,7 +4295,6 @@ static void ata_dev_xfermask(struct ata_device *dev)
>  static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
>  {
>  	struct ata_taskfile tf;
> -	unsigned int err_mask;
>  
>  	/* set up set-features taskfile */
>  	ata_dev_dbg(dev, "set features - xfer mode\n");
> @@ -4317,10 +4316,11 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
>  	else /* In the ancient relic department - skip all of this */
>  		return 0;
>  
> -	/* On some disks, this command causes spin-up, so we need longer timeout */
> -	err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000);
> -
> -	return err_mask;
> +	/*
> +	 * On some disks, this command causes spin-up, so we need longer
> +	 * timeout.
> +	 */
> +	return ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000);
>  }
>  
>  /**
> -- 
> 2.37.2
> 

Reviewed-by: Niklas Cassel <niklas.cassel@xxxxxxx>



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