linux-kernel - Re: [patch v1, kernel version 3.2.1] net/ipv4/ip

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Message-ID: <CAGsizzKrY8OseQY=am4q=0fuNGHf9ff59pO4NvLvJfzHpYuXNg@mail.gmail.com>
Date:	Mon, 16 Jan 2012 16:20:05 +0100
From:	Štefan Gula <steweg@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	"David S. Miller" <davem@...emloft.net>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch v1, kernel version 3.2.1] net/ipv4/ip_gre: Ethernet
 multipoint GRE over IP

Dňa 16. januára 2012 16:13, Eric Dumazet <eric.dumazet@...il.com> napísal/a:
> Le lundi 16 janvier 2012 à 15:47 +0100, Štefan Gula a écrit :
>
>> File: net/birdge/br_fdb.c
>> Functions:
>> __br_fdb_get
>> br_fdb_get
>> My analogy fuctions:
>> __ipgre_tap_bridge_get
>> ipgre_tap_bridge_get
>>
>
> There is no br_fdb_get(), you copied some buggy code I am afraid.
>
> Read again your patch.
>
> If you use atomic_inc_not_zero(&x->use_count), then you must do the
> atomic_dec() or leak entries.
>
> Current bridge code doesnt use atomic_inc_not_zero()
>
>
>
You are right, new bridge code doesn't have such function, I will adjust that
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