From: Henry Nestler <henry.nestler@gmail.com>
Date: Sun, 20 Feb 2011 11:44:58 +0000 (+0000)
Subject: DM9000B: Fix reg_save after spin_lock in dm9000_timeout
X-Git-Tag: upstream/snapshot3+hdmi~11338^2~37
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8dde924217fdf5b69f6cbbdca099d077ba269ad0;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

DM9000B: Fix reg_save after spin_lock in dm9000_timeout

The spin_lock should hold before reading register.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 2d4c4fc..2bbd496 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -852,8 +852,8 @@ static void dm9000_timeout(struct net_device *dev)
 	unsigned long flags;
 
 	/* Save previous register address */
-	reg_save = readb(db->io_addr);
 	spin_lock_irqsave(&db->lock, flags);
+	reg_save = readb(db->io_addr);
 
 	netif_stop_queue(dev);
 	dm9000_reset(db);