linux-kernel - Re: [PATCH v2] mtd: spi-nor: core: correct type of i

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Date: Mon, 4 Mar 2024 09:11:02 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>,
 Pratyush Yadav <pratyush@...nel.org>, Michael Walle <mwalle@...nel.org>,
 Miquel Raynal <miquel.raynal@...tlin.com>,
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>,
 Takahiro Kuwano <Takahiro.Kuwano@...ineon.com>
Cc: kernel@...labora.com, kernel-janitors@...r.kernel.org,
 linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mtd: spi-nor: core: correct type of i

Miquel,

Can you please queue this to mtd/next after you pull in the SPI NOR
changes? Thanks!

ta

On 3/4/24 09:01, Muhammad Usama Anjum wrote:
> The i should be signed to find out the end of the loop. Otherwise,
> i >= 0 is always true and loop becomes infinite. Make its type to be
> int.
> 
> Fixes: 6a9eda34418f ("mtd: spi-nor: core: set mtd->eraseregions for non-uniform erase map")
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>

Reviewed-by: Tudor Ambarus <tudor.ambarus@...aro.org>

> ---
> Changes since v1:
> - Make i int instead of u8
> ---
>  drivers/mtd/spi-nor/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
> index 65b32ea59afc6..3e1f1913536bf 100644
> --- a/drivers/mtd/spi-nor/core.c
> +++ b/drivers/mtd/spi-nor/core.c
> @@ -3373,7 +3373,7 @@ static u32
>  spi_nor_get_region_erasesize(const struct spi_nor_erase_region *region,
>  			     const struct spi_nor_erase_type *erase_type)
>  {
> -	u8 i;
> +	int i;
>  
>  	if (region->overlaid)
>  		return region->size;