Hi Dan,

Thank you for pointing out.
I've confirmed that this error handling works well with your patch.

Reviewed-by: Kunihiko Hayashi <hayashi.kunih...@socionext.com>

Thank you,

On Wed, 25 Sep 2019 13:57:50 +0300 <dan.carpen...@oracle.com> wrote:

> The "phy_mode" variable is an enum and in this context GCC treats it as
> an unsigned int so the error handling is never triggered.
> 
> Fixes: 4c270b55a5af ("net: ethernet: socionext: add AVE ethernet driver")
> Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
> ---
>  drivers/net/ethernet/socionext/sni_ave.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/socionext/sni_ave.c 
> b/drivers/net/ethernet/socionext/sni_ave.c
> index 10d0c3e478ab..d047a53f34f2 100644
> --- a/drivers/net/ethernet/socionext/sni_ave.c
> +++ b/drivers/net/ethernet/socionext/sni_ave.c
> @@ -1566,7 +1566,7 @@ static int ave_probe(struct platform_device *pdev)
>  
>       np = dev->of_node;
>       phy_mode = of_get_phy_mode(np);
> -     if (phy_mode < 0) {
> +     if ((int)phy_mode < 0) {
>               dev_err(dev, "phy-mode not found\n");
>               return -EINVAL;
>       }
> -- 
> 2.20.1

---
Best Regards,
Kunihiko Hayashi


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