netdev - Re: [Intel-wired-lan] [PATCH] i40e: clear __I40E_VIRTCHNL_OP

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Message-ID: <36909884-1de6-a537-0341-b060d01e4c0d@molgen.mpg.de>
Date:   Tue, 3 Sep 2019 08:42:44 +0200
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     Stefan Assmann <sassmann@...nic.de>,
        intel-wired-lan@...ts.osuosl.org
Cc:     netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [Intel-wired-lan] [PATCH] i40e: clear __I40E_VIRTCHNL_OP_PENDING
 on invalid min tx rate

Dear Stefan,


On 03.09.19 08:08, Stefan Assmann wrote:
> In the case of an invalid min tx rate being requested
> i40e_ndo_set_vf_bw() immediately returns -EINVAL instead of releasing
> __I40E_VIRTCHNL_OP_PENDING first.

What problem does this cause?

> Signed-off-by: Stefan Assmann <sassmann@...nic.de>
> ---
>   drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
> index f8aa4deceb5e..3d2440838822 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
> @@ -4263,7 +4263,8 @@ int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
>   	if (min_tx_rate) {
>   		dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
>   			min_tx_rate, vf_id);
> -		return -EINVAL;
> +		ret = -EINVAL;
> +		goto error;
>   	}
>   
>   	vf = &pf->vf[vf_id];


Kind regards,

Paul