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Date:   Thu, 24 Nov 2016 00:55:07 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Woojung.Huh@...rochip.com, zach.brown@...com, davem@...emloft.net,
        netdev@...r.kernel.org
Cc:     f.fainelli@...il.com
Subject: Re: [PATCH net] phy: fix error case of phy_led_triggers_(un)register

Hello.

On 11/24/2016 12:39 AM, Woojung.Huh@...rochip.com wrote:

> From: Woojung Huh <woojung.huh@...rochip.com>
>
> When phy_init_hw() fails at phy_attach_direct();
> - phy_detach() calls phy_led_triggers_unregister() without
>   previous call of phy_led_triggers_register().
> - still call phy_led_triggers_register() and cause memory leak.
>
> Signed-off-by: Woojung Huh <woojung.huh@...rochip.com>
> ---
>  drivers/net/phy/phy_device.c       | 6 +++---
>  drivers/net/phy/phy_led_triggers.c | 3 +++
>  2 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index 9e8f048..094a959 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -915,10 +915,10 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
>  	err = phy_init_hw(phydev);
>  	if (err)
>  		phy_detach(phydev);
> -	else
> +	else {

    CodingStyle: all *if* branches should have {} if at least one has {}.

>  		phy_resume(phydev);
> -
> -	phy_led_triggers_register(phydev);
> +		phy_led_triggers_register(phydev);
> +	}
>
>  	return err;
>
[...]

MBR, Sergei

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