From 2cfa5a0471fef43fda0b7bd87e3a5e4dbadb7809 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 23 Nov 2011 07:09:32 +0000 Subject: net: treewide use of RCU_INIT_POINTER rcu_assign_pointer(ptr, NULL) can be safely replaced by RCU_INIT_POINTER(ptr, NULL) (old rcu_assign_pointer() macro was testing the NULL value and could omit the smp_wmb(), but this had to be removed because of compiler warnings) Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/netprio_cgroup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 72ad0bc6841e..3a9fd4826b75 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -285,7 +285,7 @@ static int netprio_device_event(struct notifier_block *unused, break; case NETDEV_UNREGISTER: old = rtnl_dereference(dev->priomap); - rcu_assign_pointer(dev->priomap, NULL); + RCU_INIT_POINTER(dev->priomap, NULL); if (old) kfree_rcu(old, rcu); break; @@ -332,7 +332,7 @@ static void __exit exit_cgroup_netprio(void) rtnl_lock(); for_each_netdev(&init_net, dev) { old = rtnl_dereference(dev->priomap); - rcu_assign_pointer(dev->priomap, NULL); + RCU_INIT_POINTER(dev->priomap, NULL); if (old) kfree_rcu(old, rcu); } -- cgit v1.2.3-59-g8ed1b