netdev - Re: [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6

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Message-ID: <20131119031408.GQ16541@order.stressinduktion.org>
Date:	Tue, 19 Nov 2013 04:14:09 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Wang Weidong <wangweidong1@...wei.com>
Cc:	davem@...emloft.net, gerrit@....abdn.ac.uk, kuznet@....inr.ac.ru,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org, kaber@...sh.net,
	vyasevich@...il.com, nhorman@...driver.com, dccp@...r.kernel.org,
	netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
	dingtianhong@...wei.com
Subject: Re: [PATCH 2/2] ipv6: use sk_v6_copy_addrs when memcpy struct ipv6_pinfo

On Tue, Nov 19, 2013 at 10:47:27AM +0800, Wang Weidong wrote:
> diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
> index 0740f93..83d011e 100644
> --- a/net/ipv6/tcp_ipv6.c
> +++ b/net/ipv6/tcp_ipv6.c
> @@ -1116,6 +1116,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
>  		newtp = tcp_sk(newsk);
>  
>  		memcpy(newnp, np, sizeof(struct ipv6_pinfo));
> +		/* Don't forget copy the rcv_saddr and daddr when
> +		 * copy ipv6_pinfo.
> +		 */
> +		sk_v6_copy_addrs(newsk, sk);
>  
>  		ipv6_addr_set_v4mapped(newinet->inet_daddr, &newsk->sk_v6_daddr);
>  

Hmm, how did you spot this?

Greetings,

  Hannes

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