Re: [PATCH v2] tpm_crb: Use IOMEM_ERR_PTR when function returns iomem

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On Thu, Apr 29, 2021 at 03:39:39PM +0800, Tian Tao wrote:
> This is to simplify the code, and IOMEM_ERR_PTR(err) is same with
> (__force void __iomem *)ERR_PTR(err).
> 
> Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>

Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

/Jarkko

> ---
> 
> v2: rewrite the commit message.
> ---
>  drivers/char/tpm/tpm_crb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
> index a9dcf31..1860665 100644
> --- a/drivers/char/tpm/tpm_crb.c
> +++ b/drivers/char/tpm/tpm_crb.c
> @@ -464,7 +464,7 @@ static void __iomem *crb_map_res(struct device *dev, struct resource *iores,
>  
>  	/* Detect a 64 bit address on a 32 bit system */
>  	if (start != new_res.start)
> -		return (void __iomem *) ERR_PTR(-EINVAL);
> +		return IOMEM_ERR_PTR(-EINVAL);
>  
>  	if (!iores)
>  		return devm_ioremap_resource(dev, &new_res);
> -- 
> 2.7.4
> 
> 



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