linux-kernel - [PATCH] alx: fix lockdep annotation

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Date:	Thu, 11 Jul 2013 15:53:21 +0200
From:	Maarten Lankhorst <maarten.lankhorst@...onical.com>
To:	Jay Cliburn <jcliburn@...il.com>,
	Chris Snook <chris.snook@...il.com>
CC:	netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] alx: fix lockdep annotation

Move spin_lock_init to be called before the spinlocks are used, preventing a lockdep splat.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@...onical.com>
---
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index 418de8b..d30085c 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1303,6 +1303,8 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	SET_NETDEV_DEV(netdev, &pdev->dev);
 	alx = netdev_priv(netdev);
+	spin_lock_init(&alx->hw.mdio_lock);
+	spin_lock_init(&alx->irq_lock);
 	alx->dev = netdev;
 	alx->hw.pdev = pdev;
 	alx->msg_enable = NETIF_MSG_LINK | NETIF_MSG_HW | NETIF_MSG_IFUP |
@@ -1385,9 +1387,6 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	INIT_WORK(&alx->link_check_wk, alx_link_check);
 	INIT_WORK(&alx->reset_wk, alx_reset);
-	spin_lock_init(&alx->hw.mdio_lock);
-	spin_lock_init(&alx->irq_lock);
-
 	netif_carrier_off(netdev);
 
 	err = register_netdev(netdev);

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