netdev - Re: [PATCH net-next 02/10] e1000e: add timeout for TX HW time stamping work

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Message-ID: <20140314190242.4bba2b42@north>
Date:	Fri, 14 Mar 2014 19:02:42 +0100
From:	Jakub Kiciński <moorray3@...pl>
To:	Joe Perches <joe@...ches.com>
Cc:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>, netdev@...r.kernel.org,
	e1000-devel@...ts.sourceforge.net
Subject: Re: [PATCH net-next 02/10] e1000e: add timeout for TX HW time
 stamping work

On Fri, 14 Mar 2014 10:48:37 -0700, Joe Perches wrote:
> On Fri, 2014-03-14 at 18:34 +0100, Jakub Kicinski wrote:
> > Hardware may fail to report time stamp e.g.:
> >  - when hardware time stamping is not enabled
> >  - when time stamp is requested shortly after ifup
> 
> trivia:
> 
> > diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
> []
> > @@ -1155,6 +1155,12 @@ static void e1000e_tx_hwtstamp_work(struct work_struct *work)
> >  		skb_tstamp_tx(adapter->tx_hwtstamp_skb, &shhwtstamps);
> >  		dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
> >  		adapter->tx_hwtstamp_skb = NULL;
> > +	} else if (time_after(jiffies, adapter->tx_hwtstamp_start
> > +			      + adapter->tx_timeout_factor * HZ)) {
> > +		dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
> > +		adapter->tx_hwtstamp_skb = NULL;
> > +		adapter->tx_hwtstamp_timeouts++;
> > +		e_warn("clearing Tx timestamp hang");
> 
> Missing \n termination

I copied that line from ixgbe and assumed that the magic macro adds
termination...

I see that igb and i40e also lack the \n on similar messages. Can I fix
them all in a single follow-up patch?

Thanks for catching this.

	-- kuba
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