parisc: led: Use for_each_netdev_rcu()

Use for_each_netdev_rcu() and dont lock dev_base_lock anymore

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 9581d3619450..79caf1ca4a29 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -352,11 +352,9 @@ static __inline__ int led_get_net_activity(void)
 
         rx_total = tx_total = 0;
         
-        /* we are running as a workqueue task, so locking dev_base 
-         * for reading should be OK */
-        read_lock(&dev_base_lock);
+        /* we are running as a workqueue task, so we can use an RCU lookup */
         rcu_read_lock();
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev_rcu(&init_net, dev) {
             const struct net_device_stats *stats;
             struct in_device *in_dev = __in_dev_get_rcu(dev);
             if (!in_dev || !in_dev->ifa_list)
@@ -368,7 +366,6 @@ static __inline__ int led_get_net_activity(void)
             tx_total += stats->tx_packets;
         }
         rcu_read_unlock();
-        read_unlock(&dev_base_lock);
 
         retval = 0;