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SubjectRE: [PATCH] igb: correct hardware type (i210/i211) check in igb_loopback_test()
On Wed, 25 Jul 2012, Wyborny, Carolyn wrote:

>
> > -----Original Message-----
> > From: Jesper Juhl [mailto:jj@chaosbits.net]
> > Sent: Wednesday, July 25, 2012 12:06 PM
> > To: linux-kernel@vger.kernel.org
> > Cc: netdev@vger.kernel.org; e1000-devel@lists.sourceforge.net; Wyborny, Carolyn; Pieper, Jeffrey E; Kirsher, Jeffrey T; Rick Jones; Ronciak, John; Brandeburg, Jesse; Allan, Bruce W; Skidmore, Donald C; Rose, Gregory V; Waskiewicz Jr, Peter P; Duyck, Alexander H; David S. Miller
> > Subject: [PATCH] igb: correct hardware type (i210/i211) check in igb_loopback_test()
> >
> > In the original code
> > ...
> > if ((adapter->hw.mac.type == e1000_i210)
> > || (adapter->hw.mac.type == e1000_i210)) { ...
> > the second check of 'adapter->hw.mac.type' is pointless since it tests for the exact same value as the first.
> >
> > After reading through a few other parts of the driver I believe that the second check was actually intended to check for 'e1000_i211'
> > rather than 'e1000_i210', but I admit that I'm not certain so someone with more knowledge about this driver should ACK the patch before it gets merged.
> >
> > Unfortunately I have no hardware to actually test this on, so it is compile tested only.
> >
> > Signed-off-by: Jesper Juhl <jj@chaosbits.net>
> > ---
> > drivers/net/ethernet/intel/igb/igb_ethtool.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
> > index a19c84c..ad489b7 100644
> > --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
> > +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
> > @@ -1783,7 +1783,7 @@ static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
> > goto out;
> > }
> > if ((adapter->hw.mac.type == e1000_i210)
> > - || (adapter->hw.mac.type == e1000_i210)) {
> > + || (adapter->hw.mac.type == e1000_i211)) {
> > dev_err(&adapter->pdev->dev,
> > "Loopback test not supported "
> > "on this part at this time.\n");
> > --
> > 1.7.11.3
> >
>
> ACK.
>
> Good catch. Thanks Jesper!
>
> Carolyn
>
> Carolyn Wyborny
> Linux Development
> LAN Access Division
> Intel Corporation
>
Thank you for the ack Carolyn.

David: will you take this in the networking tree?


--
Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
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