netdev - Re: [PATCH net] net-timestamp: only report sw timestamp if reporting bit is set

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Message-Id: <20140905.150315.472751844317741858.davem@davemloft.net>
Date:	Fri, 05 Sep 2014 15:03:15 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	willemb@...gle.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] net-timestamp: only report sw timestamp if
 reporting bit is set

From: Willem de Bruijn <willemb@...gle.com>
Date: Wed,  3 Sep 2014 12:01:18 -0400

> The timestamping API has separate bits for generating and reporting
> timestamps. A software timestamp should only be reported for a packet
> when the packet has the relevant generation flag (SKBTX_..) set
> and the socket has reporting bit SOF_TIMESTAMPING_SOFTWARE set.
> 
> The second check was accidentally removed. Reinstitute the original
> behavior.
> 
> Tested:
>   Without this patch, Documentation/networking/txtimestamp reports
>   timestamps regardless of whether SOF_TIMESTAMPING_SOFTWARE is set.
>   After the patch, it only reports them when the flag is set.
> 
> Fixes: f24b9be5957b ("net-timestamp: extend SCM_TIMESTAMPING ancillary data struct")
> 
> Signed-off-by: Willem de Bruijn <willemb@...gle.com>

Applied and queued up for -stable, thanks Willem.
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