linux-kernel - [53/98] [SCSI] fcoe: Fix getting san mac for VLAN interface

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Date:	Tue, 26 Jan 2010 15:34:19 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Yi Zou <yi.zou@...el.com>,
	Robert Love <robert.w.love@...el.com>,
	James Bottomley <James.Bottomley@...e.de>
Subject: [53/98] [SCSI] fcoe: Fix getting san mac for VLAN interface

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Yi Zou <yi.zou@...el.com>

commit 5bab87e6d465d54a2b5899e0f583d42f00dbee2e upstream.

Make sure we are get the SAN MAC address from the real netdev if the input
netdev is a VLAN device.

Signed-off-by: Yi Zou <yi.zou@...el.com>
Signed-off-by: Robert Love <robert.w.love@...el.com>
Signed-off-by: James Bottomley <James.Bottomley@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/scsi/fcoe/fcoe.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -160,6 +160,7 @@ static int fcoe_interface_setup(struct f
 {
 	struct fcoe_ctlr *fip = &fcoe->ctlr;
 	struct netdev_hw_addr *ha;
+	struct net_device *real_dev;
 	u8 flogi_maddr[ETH_ALEN];
 
 	fcoe->netdev = netdev;
@@ -173,8 +174,10 @@ static int fcoe_interface_setup(struct f
 
 	/* look for SAN MAC address, if multiple SAN MACs exist, only
 	 * use the first one for SPMA */
+	real_dev = (netdev->priv_flags & IFF_802_1Q_VLAN) ?
+		vlan_dev_real_dev(netdev) : netdev;
 	rcu_read_lock();
-	for_each_dev_addr(netdev, ha) {
+	for_each_dev_addr(real_dev, ha) {
 		if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
 		    (is_valid_ether_addr(ha->addr))) {
 			memcpy(fip->ctl_src_addr, ha->addr, ETH_ALEN);


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