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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>
This commit is contained in:
Lai Jiangshan 2011-03-15 18:01:42 +08:00 committed by Paul E. McKenney
parent e57859854a
commit 37b6b935e9
1 changed files with 1 additions and 7 deletions
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8
net/netlink/af_netlink.c
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@ -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;