linux-kernel - Re: [PATCH] phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy

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Date:   Wed, 19 May 2021 10:46:18 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
CC:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-phy@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <lkp@...el.com>, Dan Carpenter <dan.carpenter@...cle.com>,
        Heiko Stuebner <heiko@...ech.de>, <kbuild@...ts.01.org>
Subject: Re: [PATCH] phy: phy-mtk-tphy: Fix some resource leaks in
 mtk_phy_init()

On Mon, 2021-05-17 at 21:20 +0800, Tiezhu Yang wrote:
> Use clk_disable_unprepare() in the error path of mtk_phy_init() to fix
> some resource leaks.
> 
> Fixes: cd4ec4b03dc1 ("phy: phy-mt65xx-usb3: add mediatek directory and rename file")
No need add Fixes tag, there is no da_ref_clk when apply this patch,

> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
> ---
>  drivers/phy/mediatek/phy-mtk-tphy.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
> index cdbcc49..731c483 100644
> --- a/drivers/phy/mediatek/phy-mtk-tphy.c
> +++ b/drivers/phy/mediatek/phy-mtk-tphy.c
> @@ -949,6 +949,8 @@ static int mtk_phy_init(struct phy *phy)
>  		break;
>  	default:
>  		dev_err(tphy->dev, "incompatible PHY type\n");
> +		clk_disable_unprepare(instance->ref_clk);
> +		clk_disable_unprepare(instance->da_ref_clk);
>  		return -EINVAL;
>  	}
>  
after removing Fixes tag, 
Reviewed-by: Chunfeng Yun <chunfeng.yun@...iatek.com>

Thanks