Re: [PATCH] mtd: onenand: Fix an error handling path in 's3c_onenand_probe(()'

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On Sat, 18 Nov 2017 14:27:23 +0100
Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote:

> If 'platform_get_resource()' fails, we have to go through the error
> handling path to release some resources.
> 
> The unreachable 'goto ahb_resource_failed' is also wrong here and we should
> go to 'resource_failed' instead.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
>  drivers/mtd/onenand/samsung.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
> index af0ac1a7bf8f..164ebe2b1137 100644
> --- a/drivers/mtd/onenand/samsung.c
> +++ b/drivers/mtd/onenand/samsung.c
> @@ -872,8 +872,8 @@ static int s3c_onenand_probe(struct platform_device *pdev)
>  	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>  	if (!r) {
>  		dev_err(&pdev->dev, "no memory resource defined\n");
> -		return -ENOENT;
> -		goto ahb_resource_failed;
> +		err = -ENOENT;
> +		goto resource_failed;
>  	}
>  

Sorry but I'd really prefer to convert the driver to use devm_
functions instead of fixing a single error path.

>  	onenand->base_res = request_mem_region(r->start, resource_size(r),

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