linux-kernel - [PATCH 3.12 087/104] igb: Fixed Wake On LAN support

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Message-Id: <f98ddec61f529efe8f31282dcbaf29c2b893a31f.1408535000.git.jslaby@suse.cz>
Date:	Wed, 20 Aug 2014 13:43:50 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Akeem G Abodunrin <akeem.g.abodunrin@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 087/104] igb: Fixed Wake On LAN support

From: Akeem G Abodunrin <akeem.g.abodunrin@...el.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 42ce4126d8bc2e128e1f207cf79bb0623fac498f upstream.

This patch fixes Wake on LAN being reported as supported on some Ethernet
ports, in contrary to Hardware capability.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@...el.com>
Tested-by: Aaron Brown <aaron.f.brown@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/net/ethernet/intel/igb/igb_ethtool.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 6a5b67ba45c8..3eb020c9a081 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2059,14 +2059,15 @@ static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 
-	wol->supported = WAKE_UCAST | WAKE_MCAST |
-			 WAKE_BCAST | WAKE_MAGIC |
-			 WAKE_PHY;
 	wol->wolopts = 0;
 
 	if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
 		return;
 
+	wol->supported = WAKE_UCAST | WAKE_MCAST |
+			 WAKE_BCAST | WAKE_MAGIC |
+			 WAKE_PHY;
+
 	/* apply any specific unsupported masks here */
 	switch (adapter->hw.device_id) {
 	default:
-- 
2.0.4

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