netdev - Re: [PATCH net] net/ipv6: Do not allow device only routes via the multipath API

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Date:   Fri, 13 Jul 2018 13:28:45 +0200
From:   Stefano Brivio <sbrivio@...hat.com>
To:     dsahern@...nel.org
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        David Ahern <dsahern@...il.com>
Subject: Re: [PATCH net] net/ipv6: Do not allow device only routes via the
 multipath API

On Thu, 12 Jul 2018 14:48:23 -0700
dsahern@...nel.org wrote:

> @@ -4388,6 +4388,13 @@ static int ip6_route_multipath_add(struct fib6_config *cfg,
>  			rt = NULL;
>  			goto cleanup;
>  		}
> +		if (!rt6_qualify_for_ecmp(rt)) {
> +			err = EINVAL;

Shouldn't this be -EINVAL, just for consistency? E.g. we might return a
-ENOMEM from ip6_route_info_append(), etc.

-- 
Stefano