Re: [PATCH net-next] net: lan966x: fix a IS_ERR() vs NULL check in lan966x_create_targets()

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The 12/03/2021 12:55, Dan Carpenter wrote:
> 
> The devm_ioremap() function does not return error pointers.  It returns
> NULL.

Reviewed-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>
> 
> Fixes: db8bcaad5393 ("net: lan966x: add the basic lan966x driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
> index e9e4dca6542d..00930d81521a 100644
> --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
> +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
> @@ -83,10 +83,10 @@ static int lan966x_create_targets(struct platform_device *pdev,
>                 begin[idx] = devm_ioremap(&pdev->dev,
>                                           iores[idx]->start,
>                                           resource_size(iores[idx]));
> -               if (IS_ERR(begin[idx])) {
> +               if (!begin[idx]) {
>                         dev_err(&pdev->dev, "Unable to get registers: %s\n",
>                                 iores[idx]->name);
> -                       return PTR_ERR(begin[idx]);
> +                       return -ENOMEM;
>                 }
>         }
> 
> --
> 2.20.1
> 

-- 
/Horatiu



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