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Subject[PATCH tip/core/rcu 60/86] security,rcu: convert call_rcu(sel_netif_free) to kfree_rcu()
Date
From: Lai Jiangshan <laijs@cn.fujitsu.com>

The rcu callback sel_netif_free() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(sel_netif_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>
---
security/selinux/netif.c | 18 +-----------------
1 files changed, 1 insertions(+), 17 deletions(-)

diff --git a/security/selinux/netif.c b/security/selinux/netif.c
index d6095d6..58cc481 100644
--- a/security/selinux/netif.c
+++ b/security/selinux/netif.c
@@ -104,22 +104,6 @@ static int sel_netif_insert(struct sel_netif *netif)
}

/**
- * sel_netif_free - Frees an interface entry
- * @p: the entry's RCU field
- *
- * Description:
- * This function is designed to be used as a callback to the call_rcu()
- * function so that memory allocated to a hash table interface entry can be
- * released safely.
- *
- */
-static void sel_netif_free(struct rcu_head *p)
-{
- struct sel_netif *netif = container_of(p, struct sel_netif, rcu_head);
- kfree(netif);
-}
-
-/**
* sel_netif_destroy - Remove an interface record from the table
* @netif: the existing interface record
*
@@ -131,7 +115,7 @@ static void sel_netif_destroy(struct sel_netif *netif)
{
list_del_rcu(&netif->list);
sel_netif_total--;
- call_rcu(&netif->rcu_head, sel_netif_free);
+ kfree_rcu(netif, rcu_head);
}

/**
--
1.7.3.2


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