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Date: Mon, 02 Jul 2012 10:54:41 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: David Miller <davem@...emloft.net> Cc: roy.qing.li@...il.com, netdev@...r.kernel.org Subject: Re: [PATCH net-next 1/2] ipv6: remove unnecessary codes in tcp_ipv6.c On Mon, 2012-07-02 at 10:13 +0200, Eric Dumazet wrote: > Note that the old one is the np->opt of the listener, not the child. > > I dont understand how np->opt could change under us, since we have > the listener socket locked. > > If np->opt can change under us, we are doomed and need to add refcounts. Hmm, it seems net/ipv6/udp.c uses np->opt outside of the lock_sock()/release_sock(sk) boundary. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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