Re: [PATCH] soc: mediatek: pm-domains: Fix missing error code in scpsys_add_subdomain()

[Matthias Brugger]

On 03/03/2021 10:10, Enric Balletbo i Serra wrote:
> Adding one power domain in scpsys_add_subdomain is missing to assign an
> error code when it fails. Fix that assigning an error code to 'ret',
> this also fixes the follwowing smatch warning.
> 
>   drivers/soc/mediatek/mtk-pm-domains.c:492 scpsys_add_subdomain() warn: missing error code 'ret'
> 
> Fixes: dd65030295e2 ("soc: mediatek: pm-domains: Don't print an error if child domain is deferred")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>

Applied to v5.12-next/soc
Thanks!

> ---
> 
>  drivers/soc/mediatek/mtk-pm-domains.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
> index 694d6ea6de1d..0af00efa0ef8 100644
> --- a/drivers/soc/mediatek/mtk-pm-domains.c
> +++ b/drivers/soc/mediatek/mtk-pm-domains.c
> @@ -491,8 +491,9 @@ static int scpsys_add_subdomain(struct scpsys *scpsys, struct device_node *paren
>  
>  		child_pd = scpsys_add_one_domain(scpsys, child);
>  		if (IS_ERR(child_pd)) {
> -			dev_err_probe(scpsys->dev, PTR_ERR(child_pd),
> -				      "%pOF: failed to get child domain id\n", child);
> +			ret = PTR_ERR(child_pd);
> +			dev_err_probe(scpsys->dev, ret, "%pOF: failed to get child domain id\n",
> +				      child);
>  			goto err_put_node;
>  		}
>  
>