linux-kernel - Re: [PATCH] soc: mediatek: pm-domains: Fix missing error code in scpsys_add

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Message-ID: <7568cab4-11ad-24df-3d45-cafdbbb3d94d@gmail.com>
Date:   Tue, 30 Mar 2021 11:53:07 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-kernel@...r.kernel.org
Cc:     drinkcat@...omium.org, hsinyi@...omium.org, weiyi.lu@...iatek.com,
        Collabora Kernel ML <kernel@...labora.com>,
        kernel test robot <lkp@...el.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] soc: mediatek: pm-domains: Fix missing error code in
 scpsys_add_subdomain()



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@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

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;
>  		}
>  
>