Re: [PATCH v3] scsi: ufs: qcom: Return ufs_qcom_clk_scale_*() errors in ufs_qcom_clk_scale_notify()

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On Fri, Dec 15, 2023 at 09:38:12AM +0900, Chanwoo Lee wrote:
> From: ChanWoo Lee <cw9316.lee@xxxxxxxxxxx>
> 
> In commit 031312dbc695 ("scsi: ufs: ufs-qcom: Remove unnecessary goto statements")
> the error handling was accidentally changed, resulting in the error of
> ufs_qcom_clk_scale_*() calls not being returned.
> 
> This is the case I checked.
> * ufs_qcom_clk_scale_notify -> 'ufs_qcom_clk_scale_up_/down_pre_change' error -> return 0;
> 
> Let's make sure those errors are properly returned.
> 
> Fixes: 031312dbc695 ("scsi: ufs: ufs-qcom: Remove unnecessary goto statements")

Thanks for the changes. Looks good to me now:

    Reviewed-by: Andrew Halaney <ahalaney@xxxxxxxxxx>

> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> Signed-off-by: ChanWoo Lee <cw9316.lee@xxxxxxxxxxx>
> ---
> * v2->v3: Change title and description
>   v2 :
>      https://patchwork.kernel.org/project/linux-scsi/patch/20231214021401.26474-1-cw9316.lee@xxxxxxxxxxx/
> 
> * v1->v2: Remove things already in progress
>   v1 :
>      https://patchwork.kernel.org/project/linux-scsi/patch/20231213022500.9011-1-cw9316.lee@xxxxxxxxxxx/
> ---
> ---
>  drivers/ufs/host/ufs-qcom.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> index 96cb8b5b4e66..17e24270477d 100644
> --- a/drivers/ufs/host/ufs-qcom.c
> +++ b/drivers/ufs/host/ufs-qcom.c
> @@ -1516,9 +1516,11 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba,
>  			err = ufs_qcom_clk_scale_up_pre_change(hba);
>  		else
>  			err = ufs_qcom_clk_scale_down_pre_change(hba);
> -		if (err)
> -			ufshcd_uic_hibern8_exit(hba);
>  
> +		if (err) {
> +			ufshcd_uic_hibern8_exit(hba);
> +			return err;
> +		}
>  	} else {
>  		if (scale_up)
>  			err = ufs_qcom_clk_scale_up_post_change(hba);
> -- 
> 2.29.0
> 





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