linux-kernel - Re: [PATCH 3/5] mt76: fix a leaked reference by adding a missing of_node

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Message-ID: <799adbb0-23a6-bf20-f22d-4af68e9d0012@web.de>
Date:   Fri, 5 Apr 2019 15:15:49 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Wen Yang <wen.yang99@....com.cn>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org
Cc:     UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Anirudha Sarangi <anirudh@...inx.com>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Lorenzo Bianconi <lorenzo.bianconi83@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        Felix Fietkau <nbd@....name>, vivien.didelot@...il.com,
        John Linn <John.Linn@...inx.com>,
        Yi Wang <wang.yi59@....com.cn>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] mt76: fix a leaked reference by adding a missing
 of_node_put

> @@ -54,22 +54,30 @@  mt76_get_of_eeprom(struct mt76_dev *dev, int len)
>  		part = np->name;
>
>  	mtd = get_mtd_device_nm(part);
…
> +	if (retlen < len) {
> +		ret = -EINVAL;
> +		goto out_put_node;

I find a jump to an immediately following source code place unnecessary.
Would you like to delete it?


> +	}
>
> -	return 0;
> +out_put_node:
> +	of_node_put(np);
> +	return ret;
>  #else

Can another bit of fine-tuning matter here?
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/net/wireless/mediatek/mt76/eeprom.c?id=34e022d8b780a03902d82fb3997ba7c7b1f40c81#n73

Regards,
Markus