Thread (6 messages) 6 messages, 3 authors, 2012-07-31

Re: [PATCH] igb: correct hardware type (i210/i211) check in igb_loopback_test()

From: Jesper Juhl <hidden>
Date: 2012-07-31 20:23:35
Also in: lkml

On Wed, 25 Jul 2012, Wyborny, Carolyn wrote:
quoted
-----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 <redacted>
---
 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 [off-list ref]       http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
Plain text mails only, please.


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