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authorLai Jiangshan <laijs@cn.fujitsu.com>2011-03-15 18:01:42 +0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-05-07 22:50:51 -0700
commit37b6b935e96e837ccc60812c03e9f92e7dce2e61 (patch)
tree763fdeb24228807ab2d033d0c535a380e8ffff97
parente57859854aaac9b7ce0db3fe4959190a1a80b60a (diff)
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net,rcu: convert call_rcu(listeners_free_rcu) to kfree_rcu()
The rcu callback listeners_free_rcu() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(listeners_free_rcu). 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>
-rw-r--r--net/netlink/af_netlink.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index c8f35b5..5fe4f3b 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1566,12 +1566,6 @@ netlink_kernel_release(struct sock *sk)
}
EXPORT_SYMBOL(netlink_kernel_release);
-
-static void listeners_free_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct listeners, rcu));
-}
-
int __netlink_change_ngroups(struct sock *sk, unsigned int groups)
{
struct listeners *new, *old;
@@ -1588,7 +1582,7 @@ int __netlink_change_ngroups(struct sock *sk, unsigned int groups)
memcpy(new->masks, old->masks, NLGRPSZ(tbl->groups));
rcu_assign_pointer(tbl->listeners, new);
- call_rcu(&old->rcu, listeners_free_rcu);
+ kfree_rcu(old, rcu);
}
tbl->groups = groups;