netdev - Re: [PATCHv2 net-next 8/8] net: sched: cls

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Date:   Wed, 17 Jan 2018 17:27:31 -0800
From:   Jakub Kicinski <kubakici@...pl>
To:     Alexander Aring <aring@...atatu.com>
Cc:     jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        davem@...emloft.net, netdev@...r.kernel.org, kernel@...atatu.com,
        David Ahern <dsahern@...il.com>
Subject: Re: [PATCHv2 net-next 8/8] net: sched: cls_u32: add extack support

On Wed, 17 Jan 2018 17:40:27 -0500, Alexander Aring wrote:
> diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
> index 8840baa1b9b4..daeac7282387 100644
> --- a/net/sched/cls_u32.c
> +++ b/net/sched/cls_u32.c
> @@ -524,8 +524,10 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h,
>  		offloaded = true;
>  	}
>  
> -	if (skip_sw && !offloaded)
> +	if (skip_sw && !offloaded) {
> +		NL_SET_ERR_MSG(extack, "Failed to offload filter requested with skip sw");
>  		return -EINVAL;
> +	}
>  
>  	return 0;
>  }

Why did you ignore my comment about using NL_SET_ERR_MSG_MOD?  Do you
disagree with it?