netdev - Re: [PATCH] tcp: avoid a possible divide by zero

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Message-Id: <20101208.123536.15249027.davem@davemloft.net>
Date:	Wed, 08 Dec 2010 12:35:36 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	bhutchings@...arflare.com, Martin@...htvoll.de,
	netdev@...r.kernel.org
Subject: Re: [PATCH] tcp: avoid a possible divide by zero

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 07 Dec 2010 23:03:55 +0100

> [PATCH v2] tcp: avoid a possible divide by zero
> 
> sysctl_tcp_tso_win_divisor might be set to zero while one cpu runs in
> tcp_tso_should_defer(). Make sure we dont allow a divide by zero by
> reading sysctl_tcp_tso_win_divisor exactly once.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
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