Linux 3.9 routing oddity

[Lorenzo Colitti]

On Thu, Jul 4, 2013 at 8:14 PM, Pierre Emeriaud <petrus.lt at gmail.com> wrote:

> --- a/net/ipv6/route.c
> +++ b/net/ipv6/route.c
> @@ -551,6 +551,8 @@ static inline bool rt6_check_neigh(struct rt6_info *rt)
>          ret = true;
>  #endif
>       read_unlock(&neigh->lock);
> +  } else if (IS_ENABLED(CONFIG_IPV6_ROUTER_PREF)) {
> +    ret = true;
>    }
>    rcu_read_unlock_bh();
>

Hmm. What happens if CONFIG_ROUTER_PREF is false? Is the bug still there?
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