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Subject[PATCH 36/36] net,rcu: convert call_rcu(xt_osf_finger_free_rcu) to kfree_rcu()


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

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
net/netfilter/xt_osf.c | 11 ++---------
1 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c
index 4327e10..846f895 100644
--- a/net/netfilter/xt_osf.c
+++ b/net/netfilter/xt_osf.c
@@ -62,13 +62,6 @@ static const struct nla_policy xt_osf_policy[OSF_ATTR_MAX + 1] = {
[OSF_ATTR_FINGER] = { .len = sizeof(struct xt_osf_user_finger) },
};

-static void xt_osf_finger_free_rcu(struct rcu_head *rcu_head)
-{
- struct xt_osf_finger *f = container_of(rcu_head, struct xt_osf_finger, rcu_head);
-
- kfree(f);
-}
-
static int xt_osf_add_callback(struct sock *ctnl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const osf_attrs[])
@@ -133,7 +126,7 @@ static int xt_osf_remove_callback(struct sock *ctnl, struct sk_buff *skb,
* We are protected by nfnl mutex.
*/
list_del_rcu(&sf->finger_entry);
- call_rcu(&sf->rcu_head, xt_osf_finger_free_rcu);
+ kfree_rcu(sf, rcu_head);

err = 0;
break;
@@ -414,7 +407,7 @@ static void __exit xt_osf_fini(void)

list_for_each_entry_rcu(f, &xt_osf_fingers[i], finger_entry) {
list_del_rcu(&f->finger_entry);
- call_rcu(&f->rcu_head, xt_osf_finger_free_rcu);
+ kfree_rcu(f, rcu_head);
}
}
rcu_read_unlock();
--
1.7.4

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