netdev - Re: [PATCH] tcp: properly release md5sig

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Date:	Mon, 26 Sep 2011 08:26:09 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Yan, Zheng" <zheng.z.yan@...el.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH] tcp: properly release md5sig_pool references

Le lundi 26 septembre 2011 à 10:35 +0800, Yan, Zheng a écrit :
> tcp_v4_md5_do_add() increases use count of md5sig_pool by one for
> each tcp md5sig peer, so we should call tcp_free_md5sig_pool() for
> each peer when destroying the socket.
> 
> Signed-off-by: Zheng Yan <zheng.z.yan@...el.com>

As managing the use count is rather expensive, I think it would be
better to hold a single reference instead of multiple ones ?



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