Subject: Re: [PATCHv2 net-next] vxlan: put UDP socket in correct namespace

From: [email-masked] (Eric W. Biederman)
Date: Tue, 02 Oct 2012 08:18:13 -0700

Stephen Hemminger <[email-masked]> writes:

> Move vxlan UDP socket to correct network namespace
>
> Signed-off-by: Stephen Hemminger <[email-masked]>

Looks good from here.

Acked-by: "Eric W. Biederman" <[email-masked]>

> ---
> v2 need to change sock_release to sk_release_kernel
>
> --- a/drivers/net/vxlan.c	2012-10-01 17:18:30.776513263 -0700
> +++ b/drivers/net/vxlan.c	2012-10-01 21:47:40.435979178 -0700
> @@ -1136,6 +1136,9 @@ static __net_init int vxlan_init_net(str
>  		pr_debug("UDP socket create failed\n");
>  		return rc;
>  	}
> +	/* Put in proper namespace */
> +	sk = vn->sock->sk;
> +	sk_change_net(sk, net);
>  
>  	vxlan_addr.sin_port = htons(vxlan_port);
>  
> @@ -1144,13 +1147,12 @@ static __net_init int vxlan_init_net(str
>  	if (rc < 0) {
>  		pr_debug("bind for UDP socket %pI4:%u (%d)\n",
>  			 &vxlan_addr.sin_addr, ntohs(vxlan_addr.sin_port), rc);
> -		sock_release(vn->sock);
> +		sk_release_kernel(sk);
>  		vn->sock = NULL;
>  		return rc;
>  	}
>  
>  	/* Disable multicast loopback */
> -	sk = vn->sock->sk;
>  	inet_sk(sk)->mc_loop = 0;
>  
>  	/* Mark socket as an encapsulation socket. */
> @@ -1169,7 +1171,7 @@ static __net_exit void vxlan_exit_net(st
>  	struct vxlan_net *vn = net_generic(net, vxlan_net_id);
>  
>  	if (vn->sock) {
> -		sock_release(vn->sock);
> +		sk_release_kernel(vn->sock->sk);
>  		vn->sock = NULL;
>  	}
>  }
> --
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