net,rcu: convert call_rcu(ha_rcu_free) to kfree_rcu()

The rcu callback ha_rcu_free() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(ha_rcu_free).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 7b39f3ed2fdaede3f79a03eb7728f07fdf643596..e2e66939ed009df93fe61b22c07d33c892fdeb4e 100644 (file)
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -68,14 +68,6 @@ static int __hw_addr_add(struct netdev_hw_addr_list *list, unsigned char *addr,
        return __hw_addr_add_ex(list, addr, addr_len, addr_type, false);
 }
 
-static void ha_rcu_free(struct rcu_head *head)
-{
-       struct netdev_hw_addr *ha;
-
-       ha = container_of(head, struct netdev_hw_addr, rcu_head);
-       kfree(ha);
-}
-
 static int __hw_addr_del_ex(struct netdev_hw_addr_list *list,
                            unsigned char *addr, int addr_len,
                            unsigned char addr_type, bool global)
@@ -94,7 +86,7 @@ static int __hw_addr_del_ex(struct netdev_hw_addr_list *list,
                        if (--ha->refcount)
                                return 0;
                        list_del_rcu(&ha->list);
-                       call_rcu(&ha->rcu_head, ha_rcu_free);
+                       kfree_rcu(ha, rcu_head);
                        list->count--;
                        return 0;
                }
@@ -197,7 +189,7 @@ void __hw_addr_flush(struct netdev_hw_addr_list *list)
 
        list_for_each_entry_safe(ha, tmp, &list->list, list) {
                list_del_rcu(&ha->list);
-               call_rcu(&ha->rcu_head, ha_rcu_free);
+               kfree_rcu(ha, rcu_head);
        }
        list->count = 0;
 }