netdev - Re: [PATCH] [IPv6]: IPV6_MULTICAST_IF setting is ignored on link-local connect()

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Message-ID: <OF3393858D.9874E03A-ON882573CA.00071BC8-882573CA.000738ED@us.ibm.com>
Date:	Mon, 7 Jan 2008 17:18:56 -0800
From:	David Stevens <dlstevens@...ibm.com>
To:	Brian Haley <brian.haley@...com>
Cc:	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	netdev-owner@...r.kernel.org,
	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Subject: Re: [PATCH] [IPv6]: IPV6_MULTICAST_IF setting is ignored on link-local
 connect()

Brian,
        Looks good to me.

                        +-DLS


Acked-by: David L Stevens <dlstevens@...ibm.com>

> How about the simple patch below?  I just removed the ENINVAL check from 

> my original patch, but it accomplishes the same thing.
...
> 
> Signed-off-by: Brian Haley <brian.haley@...com>
> ---
> diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
> index 2ed689a..5d4245a 100644
> --- a/net/ipv6/datagram.c
> +++ b/net/ipv6/datagram.c
> @@ -123,11 +123,11 @@ ipv4_connected:
>              goto out;
>           }
>           sk->sk_bound_dev_if = usin->sin6_scope_id;
> -         if (!sk->sk_bound_dev_if &&
> -             (addr_type & IPV6_ADDR_MULTICAST))
> -            fl.oif = np->mcast_oif;
>        }
> 
> +      if (!sk->sk_bound_dev_if && (addr_type & IPV6_ADDR_MULTICAST))
> +         sk->sk_bound_dev_if = np->mcast_oif;
> +
>        /* Connect to link-local address requires an interface */
>        if (!sk->sk_bound_dev_if) {
>           err = -EINVAL;

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