netdev - Re: [RFC][LAPB] write_queue limit in lapb_data

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Message-Id: <20080328.183052.72394821.davem@davemloft.net>
Date:	Fri, 28 Mar 2008 18:30:52 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	matvejchikov@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC][LAPB] write_queue limit in lapb_data_request

From: "Matvejchikov Ilya" <matvejchikov@...il.com>
Date: Tue, 25 Mar 2008 10:45:41 +0300

> LAPB doesn't check for write_queue length in lapb_data_request(). So
> in some conditions it may grow unlimited. There is a potential problem
> for small systems.
> 
> It seems like this for me:

It doesn't enforce limits on any of it's queued from what
I can tell.

Without a thorough audit of resource limit enforcement in
this protocol stack, changing things here might be more
trouble than it's worth.
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