netdev - Re: [PATCH iproute2-next v3 2/8] iplink: Correctly report error when network device isn't found

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Date:   Fri, 23 Feb 2018 16:41:47 -0700
From:   David Ahern <dsahern@...il.com>
To:     Serhey Popovych <serhe.popovych@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2-next v3 2/8] iplink: Correctly report error when
 network device isn't found

On 2/22/18 6:02 AM, Serhey Popovych wrote:
> @@ -650,6 +658,9 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
>  			bool drv = strcmp(*argv, "xdpdrv") == 0;
>  			bool offload = strcmp(*argv, "xdpoffload") == 0;
>  
> +			if (offload)
> +				has_dev(*dev, dev_index);
> +

I think this is actually the wrong direction. seems to me argv should be
passed to xdp_parse rather than the generic, drv, offload bool's. That
function can then the check on which option it is and has the knowledge
about whether a device is needed or not.


>  			NEXT_ARG();
>  			if (xdp_parse(&argc, &argv, req, dev_index,
>  				      generic, drv, offload))