Re: [PATCH] bus: mhi: host: Use ERANGE for BHIOFF/BHIEOFF range check

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On Fri, Mar 24, 2023 at 10:21:00AM -0600, Jeffrey Hugo wrote:
> If the BHIOFF or BHIEOFF range checks fail, they return EINVAL.  ERANGE
> is a better error code since it implies an out of range condition.
> 
> Suggested-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>
> Signed-off-by: Jeffrey Hugo <quic_jhugo@xxxxxxxxxxx>

Applied to mhi-next!

- Mani

> ---
> 
> This feels more like a style change than fixing a bug, so I'm being
> conservative and intentionally not listing a fixes tag.
> 
>  drivers/bus/mhi/host/init.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
> index b46a082..f72fcb6 100644
> --- a/drivers/bus/mhi/host/init.c
> +++ b/drivers/bus/mhi/host/init.c
> @@ -1112,7 +1112,7 @@ int mhi_prepare_for_power_up(struct mhi_controller *mhi_cntrl)
>  	if (bhi_off >= mhi_cntrl->reg_len) {
>  		dev_err(dev, "BHI offset: 0x%x is out of range: 0x%zx\n",
>  			bhi_off, mhi_cntrl->reg_len);
> -		ret = -EINVAL;
> +		ret = -ERANGE;
>  		goto error_reg_offset;
>  	}
>  	mhi_cntrl->bhi = mhi_cntrl->regs + bhi_off;
> @@ -1129,7 +1129,7 @@ int mhi_prepare_for_power_up(struct mhi_controller *mhi_cntrl)
>  			dev_err(dev,
>  				"BHIe offset: 0x%x is out of range: 0x%zx\n",
>  				bhie_off, mhi_cntrl->reg_len);
> -			ret = -EINVAL;
> +			ret = -ERANGE;
>  			goto error_reg_offset;
>  		}
>  		mhi_cntrl->bhie = mhi_cntrl->regs + bhie_off;
> -- 
> 2.7.4
> 

-- 
மணிவண்ணன் சதாசிவம்



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