Acked-by: David L Stevens <[EMAIL PROTECTED]>
>
> Signed-off-by: Brian Haley <[EMAIL PROTECTED]>
> diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
> index 532425d..1334fc1 100644
> --- a/net/ipv6/ipv6_sockglue.c
> +++ b/net/ipv6/ipv6_sockglue.c
> @@ -539,12 +539,15 @@ done:
> case IPV6_MULTICAST_IF:
> if (sk->sk_type == SOCK_STREAM)
> goto e_inval;
> - if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val)
> - goto e_inval;
>
> - if (__dev_get_by_index(&init_net, val) == NULL) {
> - retv = -ENODEV;
> - break;
> + if (val) {
> + if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val)
> + goto e_inval;
> +
> + if (__dev_get_by_index(&init_net, val) == NULL) {
> + retv = -ENODEV;
> + break;
> + }
> }
> np->mcast_oif = val;
> retv = 0;
-
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