AX88796: Fix locking in ethtool support

Fix a pair of nasty locking problems in the ax88796 driver
spotted by a sparse check:

warning: context imbalance in 'ax_get_settings' - wrong count at exit
warning: context imbalance in 'ax_set_settings' - wrong count at exit

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c
index 0b4adf4a0f7da9ab772ca84bc1d4738ca034c263..a886a4b9f7e5e24b97f7efe6f3e3aba559221cf9 100644 (file)
--- a/drivers/net/ax88796.c
+++ b/drivers/net/ax88796.c
@@ -554,7 +554,7 @@ static int ax_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 
        spin_lock_irqsave(&ax->mii_lock, flags);
        mii_ethtool_gset(&ax->mii, cmd);
-       spin_lock_irqsave(&ax->mii_lock, flags);
+       spin_unlock_irqrestore(&ax->mii_lock, flags);
 
        return 0;
 }
@@ -567,7 +567,7 @@ static int ax_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 
        spin_lock_irqsave(&ax->mii_lock, flags);
        rc = mii_ethtool_sset(&ax->mii, cmd);
-       spin_lock_irqsave(&ax->mii_lock, flags);
+       spin_unlock_irqrestore(&ax->mii_lock, flags);
 
        return rc;
 }