netdev - Re: [PATCH net] e1000e: fix numeric overflow in phc settime method.

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Date:	Mon, 22 Apr 2013 10:53:22 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Richard Cochran <richardcochran@...il.com>
Cc:	netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
	Jeroen Van den Keybus <jeroen.vandenkeybus@...phase.com>,
	bruce.w.allan@...el.com, e1000-devel@...ts.sourceforge.net
Subject: Re: [PATCH net] e1000e: fix numeric overflow in phc settime method.

On Mon, 2013-04-22 at 15:53 +0200, Richard Cochran wrote:
> 
> The PTP Hardware Clock settime function in the e1000e driver
> computes nanoseconds from a struct timespec. The code converts the
> seconds field .tv_sec by multiplying it with NSEC_PER_SEC. However,
> both operands are of type long, resulting in an unintended overflow.
> The patch fixes the issue by using the helper function from time.h.
> 
> Signed-off-by: Richard Cochran <richardcochran@...il.com>
> ---
>  drivers/net/ethernet/intel/e1000e/ptp.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-) 

Thanks Richard, I will add this to my queue.

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