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From: Eric Dumazet <eric.dumazet@gmail.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Pavel Emelyanov" <xemul@parallels.com>,
	"Sjur Brændeland" <sjur.brandeland@stericsson.com>,
	"levinsasha928@gmail.com" <levinsasha928@gmail.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"davej@redhat.com" <davej@redhat.com>,
	"sjurbren@gmail.com" <sjurbren@gmail.com>
Subject: Re: [PATCH] netns: fix net_alloc_generic()
Date: Fri, 27 Jan 2012 07:09:07 +0100	[thread overview]
Message-ID: <1327644547.2919.11.camel@edumazet-laptop> (raw)
In-Reply-To: <m1zkdacbsx.fsf@fess.ebiederm.org>

Le jeudi 26 janvier 2012 à 14:57 -0800, Eric W. Biederman a écrit :

> It is not a chicken and egg problem.  It is a bug in caif.
> caif is claiming to be a network device when it is acting as a subsytem.
> That means it is being initialized too late.
> 

Ah ok !

> Untested but this should trivially fix the problem, and a bunch
> of others of the same ilk.
> 

Hmm, please refrain from using "trivially" or "trivial", you're not
fooling anyone.

Truth is this netns layer is horribly complex, since this CAIF bug
needed no more than four patch attempts and lastly your own work before
finding the root cause.

Thanks



  parent reply	other threads:[~2012-01-27  6:09 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-24  7:30 [PATCH] net: caif: Don't act on notification for non-caif devices Sasha Levin
2012-01-24 10:52 ` Sjur Brændeland
2012-01-24 14:49   ` Sasha Levin
2012-01-24 15:06     ` Sjur Brændeland
2012-01-24 15:23       ` Sasha Levin
2012-01-24 22:27         ` [PATCH net] caif: Fix crash due to uninitialized net name-space Sjur Brændeland
2012-01-24 22:44           ` David Miller
2012-01-25 16:13           ` Sasha Levin
2012-01-25 20:33           ` Sjur Brændeland
2012-01-26  6:14             ` Eric Dumazet
2012-01-26 10:41             ` [PATCH] netns: fix net_alloc_generic() Eric Dumazet
2012-01-26 10:44               ` Pavel Emelyanov
2012-01-26 10:51                 ` Eric Dumazet
2012-01-26 22:57                   ` Eric W. Biederman
2012-01-26 23:07                     ` David Miller
2012-01-26 23:57                       ` Eric W. Biederman
2012-01-27  0:02                       ` [PATCH 1/2] netns: Fail conspicously if someone uses net_generic at an inappropriate time Eric W. Biederman
2012-01-27  0:04                         ` [PATCH 2/2] net caif: Register properly as a pernet subsystem Eric W. Biederman
2012-01-27 13:24                           ` Sasha Levin
2012-01-27 14:48                             ` Sjur BRENDELAND
2012-01-28  2:07                           ` David Miller
2012-01-28  2:07                         ` [PATCH 1/2] netns: Fail conspicously if someone uses net_generic at an inappropriate time David Miller
2012-01-27  6:09                     ` Eric Dumazet [this message]
2012-01-27  6:54                       ` [PATCH] netns: fix net_alloc_generic() Eric W. Biederman
2012-01-27  7:07                         ` Eric Dumazet
2012-01-26 14:40               ` Sasha Levin
2012-01-26 18:37               ` David Miller

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