netdev - Re: [PATCH net-next] ptp: validate the requested frequency adjustment.

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Message-Id: <20140428.132917.2207057296687531685.davem@davemloft.net>
Date:	Mon, 28 Apr 2014 13:29:17 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	richardcochran@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] ptp: validate the requested frequency
 adjustment.

From: Richard Cochran <richardcochran@...il.com>
Date: Sun, 27 Apr 2014 15:01:27 +0200

> PTP Hardware Clock drivers specify a maximum frequency adjustment that
> their clocks can accommodate. Normally, user space programs will want to
> respect the advertised limits. However, no kernel or driver code checks
> that the dialed frequency offset is within the bounds, and out of range
> values can lead to surprising results.
> 
> This patch fixes the issue by rejecting bad values.
> 
> Signed-off-by: Richard Cochran <richardcochran@...il.com>

Applied.
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