Re: [PATCH 04/10] mtd: rawnand: fsl_upm: Use devm_kasprintf() to allocate the MTD name

[Miquel Raynal <miquel.raynal@xxxxxxxxxxx>]

Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> wrote on Wed,  3 Jun
2020 15:49:16 +0200:

> This simplifies the init() error path and the remove() handler.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
> ---
>  drivers/mtd/nand/raw/fsl_upm.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c
> index 9cf79c62ef22..a3e3a968891d 100644
> --- a/drivers/mtd/nand/raw/fsl_upm.c
> +++ b/drivers/mtd/nand/raw/fsl_upm.c
> @@ -176,8 +176,9 @@ static int fun_chip_init(struct fsl_upm_nand *fun,
>  		return -ENODEV;
>  
>  	nand_set_flash_node(&fun->chip, flash_np);
> -	mtd->name = kasprintf(GFP_KERNEL, "0x%llx.%pOFn", (u64)io_res->start,
> -			      flash_np);
> +	mtd->name = devm_kasprintf(fun->dev, GFP_KERNEL, "0x%llx.%pOFn",
> +				   (u64)io_res->start,
> +				   flash_np);

Shouldn't we check if mtd->name was not already set by
nand_set_flash_node() first?


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