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From: Liang Yang <liang.yang@amlogic.com>
To: Nishka Dasgupta <nishkadg.linux@gmail.com>,
	<miquel.raynal@bootlin.com>, <richard@nod.at>,
	<dwmw2@infradead.org>, <computersforpeace@gmail.com>,
	<marek.vasut@gmail.com>, <vigneshr@ti.com>,
	<linux-mtd@lists.infradead.org>,
	<linux-amlogic@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>, <khilman@baylibre.com>
Subject: Re: [PATCH] mtd: rawnand: meson: Add of_node_put() before return
Date: Thu, 18 Jul 2019 11:58:46 +0800	[thread overview]
Message-ID: <1e53cc6f-59d7-9bd2-8961-ce223d5cd0d5@amlogic.com> (raw)
In-Reply-To: <20190709171640.13511-1-nishkadg.linux@gmail.com>

Hi Nishka,

On 2019/7/10 1:16, Nishka Dasgupta wrote:
> Each iteration of for_each_child_of_node puts the previous node, but in
> the case of a return from the middle of the loop, there is no put, thus
> causing a memory leak. Hence add an of_node_put before the return.
> Issue found with Coccinelle.
> 
> Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
> ---
>   drivers/mtd/nand/raw/meson_nand.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
> index ea57ddcec41e..1b82b687e5a5 100644
> --- a/drivers/mtd/nand/raw/meson_nand.c
> +++ b/drivers/mtd/nand/raw/meson_nand.c
> @@ -1320,6 +1320,7 @@ static int meson_nfc_nand_chips_init(struct device *dev,
>   		ret = meson_nfc_nand_chip_init(dev, nfc, nand_np);
>   		if (ret) {
>   			meson_nfc_nand_chip_cleanup(nfc);
> +			of_node_put(nand_np);

Thank you. Looks good to me:
Acked-by: Liang Yang <liang.yang@amlogic.com>

>   			return ret;
>   		}
>   	}
> 

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  reply	other threads:[~2019-07-18  3:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-09 17:16 [PATCH] mtd: rawnand: meson: Add of_node_put() before return Nishka Dasgupta
2019-07-18  3:58 ` Liang Yang [this message]
2019-07-25  7:55 ` Miquel Raynal

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