linux-kernel - Re: [PATCH] mtd/nand/atmel: Delete an error message for a failed memory allocation in two functions

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Date:   Mon, 8 Jan 2018 08:58:21 +0800
From:   "Yang, Wenyou" <Wenyou.Yang@...rochip.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        <linux-mtd@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Brian Norris <computersforpeace@...il.com>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        David Woodhouse <dwmw2@...radead.org>,
        Josh Wu <rainyfeeling@...look.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Richard Weinberger <richard@....at>,
        Wenyou Yang <wenyou.yang@...el.com>
CC:     LKML <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH] mtd/nand/atmel: Delete an error message for a failed
 memory allocation in two functions



On 2018/1/6 4:55, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Fri, 5 Jan 2018 21:45:04 +0100
>
> Omit an extra message for a memory allocation failure in these functions.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---

Acked-by: Wenyou Yang <wenyou.yang@...rochip.com>
>   drivers/mtd/nand/atmel/nand-controller.c | 8 ++------
>   1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
> index 90a71a56bc23..a41b999229c9 100644
> --- a/drivers/mtd/nand/atmel/nand-controller.c
> +++ b/drivers/mtd/nand/atmel/nand-controller.c
> @@ -1612,10 +1612,8 @@ static int atmel_nand_register(struct atmel_nand *nand)
>   		mtd->name = devm_kasprintf(nc->dev, GFP_KERNEL,
>   					   "%s:nand.%d", dev_name(nc->dev),
>   					   nand->cs[0].id);
> -		if (!mtd->name) {
> -			dev_err(nc->dev, "Failed to allocate mtd->name\n");
> +		if (!mtd->name)
>   			return -ENOMEM;
> -		}
>   	}
>   
>   	ret = nand_scan_tail(mtd);
> @@ -1654,10 +1652,8 @@ static struct atmel_nand *atmel_nand_create(struct atmel_nand_controller *nc,
>   	nand = devm_kzalloc(nc->dev,
>   			    sizeof(*nand) + (numcs * sizeof(*nand->cs)),
>   			    GFP_KERNEL);
> -	if (!nand) {
> -		dev_err(nc->dev, "Failed to allocate NAND object\n");
> +	if (!nand)
>   		return ERR_PTR(-ENOMEM);
> -	}
>   
>   	nand->numcs = numcs;
>   

Best Regards,
Wenyou Yang