CAN: use dev_get_by_index_rcu
Use new function to avoid doing read_lock().
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/can/bcm.c b/net/can/bcm.c
index c302c2e..e32af52 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -139,13 +139,13 @@
if (!ifindex)
return "any";
- read_lock(&dev_base_lock);
- dev = __dev_get_by_index(&init_net, ifindex);
+ rcu_read_lock();
+ dev = dev_get_by_index_rcu(&init_net, ifindex);
if (dev)
strcpy(result, dev->name);
else
strcpy(result, "???");
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
return result;
}