Re: [PATCH] mlx4: Fix missing error code in mlx4_load_one()

[Gal Pressman]

On 23/07/2021 13:36, Jiapeng Chong wrote:
> The error code is missing in this code scenario, add the error code
> '-EINVAL' to the return value 'err'.
> 
> Eliminate the follow smatch warning:
> 
> drivers/net/ethernet/mellanox/mlx4/main.c:3538 mlx4_load_one() warn:
> missing error code 'err'.
> 
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Fixes: 7ae0e400cd93 ("net/mlx4_core: Flexible (asymmetric) allocation of
> EQs and MSI-X vectors for PF/VFs")

Fixes line shouldn't be wrapped.

> Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> ---
>  drivers/net/ethernet/mellanox/mlx4/main.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
> index 00c8465..28ac469 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/main.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/main.c
> @@ -3535,6 +3535,7 @@ static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data,
>  
>  		if (!SRIOV_VALID_STATE(dev->flags)) {
>  			mlx4_err(dev, "Invalid SRIOV state\n");
> +			err = -EINVAL;
>  			goto err_close;
>  		}
>  	}
> 

I think this patch is missing a few occurrences:
https://elixir.bootlin.com/linux/v5.14-rc2/source/drivers/net/ethernet/mellanox/mlx4/main.c#L3455
https://elixir.bootlin.com/linux/v5.14-rc2/source/drivers/net/ethernet/mellanox/mlx4/main.c#L3468
https://elixir.bootlin.com/linux/v5.14-rc2/source/drivers/net/ethernet/mellanox/mlx4/main.c#L3490