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Message-ID: <e5e8262a-db33-4abd-b31d-fc476dfab0bf@microchip.com>
Date: Thu, 3 Jul 2025 02:49:23 +0000
From: <Balamanikandan.Gunasundar@...rochip.com>
To: <fourier.thomas@...il.com>
CC: <stable@...r.kernel.org>, <miquel.raynal@...tlin.com>, <richard@....at>,
	<vigneshr@...com>, <Nicolas.Ferre@...rochip.com>,
	<alexandre.belloni@...tlin.com>, <claudiu.beznea@...on.dev>,
	<u.kleine-koenig@...libre.com>, <ada@...rsis.com>, <bbrezillon@...nel.org>,
	<linux-mtd@...ts.infradead.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] mtd: rawnand: atmel: Fix dma_mapping_error() address

Reviewed-by: Balamanikandan Gunasundar 
<balamanikandan.gunasundar@...rochip.com>

On 02/07/25 12:15 pm, Thomas Fourier wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> It seems like what was intended is to test if the dma_map of the
> previous line failed but the wrong dma address was passed.
> 
> Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver")
> Signed-off-by: Thomas Fourier <fourier.thomas@...il.com>
> ---
> v1 -> v2:
> - Add stable@...r.kernel.org
> - Fix subject prefix
> 
>   drivers/mtd/nand/raw/atmel/nand-controller.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c
> index dedcca87defc..84ab4a83cbd6 100644
> --- a/drivers/mtd/nand/raw/atmel/nand-controller.c
> +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
> @@ -373,7 +373,7 @@ static int atmel_nand_dma_transfer(struct atmel_nand_controller *nc,
>          dma_cookie_t cookie;
> 
>          buf_dma = dma_map_single(nc->dev, buf, len, dir);
> -       if (dma_mapping_error(nc->dev, dev_dma)) {
> +       if (dma_mapping_error(nc->dev, buf_dma)) {
>                  dev_err(nc->dev,
>                          "Failed to prepare a buffer for DMA access\n");
>                  goto err;
> --
> 2.43.0
> 
> 
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/

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