> -----Original Message-----
> From: Dan Carpenter <[email protected]>
> Sent: Wednesday, September 25, 2019 4:29 PM
> To: Radhey Shyam Pandey <[email protected]>; Alvaro G. M
> <[email protected]>
> Cc: David S. Miller <[email protected]>; Michal Simek
> <[email protected]>; Russell King <[email protected]>;
> [email protected]; [email protected]
> Subject: [PATCH net] net: axienet: fix a signedness bug in probe
> 
> The "lp->phy_mode" is an enum but in this context GCC treats it as an
> unsigned int so the error handling is never triggered.
> 
> Fixes: ee06b1728b95 ("net: axienet: add support for standard phy-mode
> binding")
> Signed-off-by: Dan Carpenter <[email protected]>

Reviewed-by: Radhey Shyam Pandey <[email protected]>

> ---
>  drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> index 4fc627fb4d11..676006f32f91 100644
> --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> @@ -1762,7 +1762,7 @@ static int axienet_probe(struct platform_device
> *pdev)
>               }
>       } else {
>               lp->phy_mode = of_get_phy_mode(pdev->dev.of_node);
> -             if (lp->phy_mode < 0) {
> +             if ((int)lp->phy_mode < 0) {
>                       ret = -EINVAL;
>                       goto free_netdev;
>               }
> --
> 2.20.1

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