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Date:	Wed, 06 Aug 2014 23:34:12 -0700
From:	Jeff Kirsher <>
To:	"Koehrer Mathias (ETAS/ESW5)" <>
Cc:	Richard Cochran <>,
	Sergei Shtylyov <>,
	"" <>,
	"" <>
Subject: Re: [PATCHv2] Fix e1000e with Intel 82572EI that has no hardware
 timestamp support

On Thu, 2014-08-07 at 06:29 +0000, Koehrer Mathias (ETAS/ESW5) wrote:
> With the Intel 82527EI (driver: e1000e) there is an issue when running
> the ptpd2 program, that leads to a kernel oops.  The reason is here
> that
> in e1000_xmit_frame() a work queue will be scheduled that has not been
> initialized in this case.  The work queue "tx_hwstamp_work" will only
> be
> initialized if adapter->flags & FLAG_HAS_HW_TIMESTAMP set.  This check
> is missing in e1000_xmit_frame().
> The following patch adds the missing check.
> Signed-off-by: Mathias Koehrer <>
> ---
>  drivers/net/ethernet/intel/e1000e/netdev.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Thanks Mathias, I have added your patch to my queue for Dave's net tree.

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