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security,rcu: Convert call_rcu(sel_netnode_free) to kfree_rcu()
The rcu callback sel_netnode_free() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(sel_netnode_free). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <jmorris@namei.org> Cc: Eric Paris <eparis@parisplace.org> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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f218a7ee7a
commit
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1 changed files with 2 additions and 18 deletions
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@ -68,22 +68,6 @@ static LIST_HEAD(sel_netnode_list);
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static DEFINE_SPINLOCK(sel_netnode_lock);
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static struct sel_netnode_bkt sel_netnode_hash[SEL_NETNODE_HASH_SIZE];
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/**
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* sel_netnode_free - Frees a node entry
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* @p: the entry's RCU field
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*
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* Description:
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* This function is designed to be used as a callback to the call_rcu()
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* function so that memory allocated to a hash table node entry can be
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* released safely.
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*
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*/
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static void sel_netnode_free(struct rcu_head *p)
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{
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struct sel_netnode *node = container_of(p, struct sel_netnode, rcu);
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kfree(node);
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}
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/**
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* sel_netnode_hashfn_ipv4 - IPv4 hashing function for the node table
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* @addr: IPv4 address
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@ -193,7 +177,7 @@ static void sel_netnode_insert(struct sel_netnode *node)
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rcu_dereference(sel_netnode_hash[idx].list.prev),
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struct sel_netnode, list);
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list_del_rcu(&tail->list);
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call_rcu(&tail->rcu, sel_netnode_free);
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kfree_rcu(tail, rcu);
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} else
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sel_netnode_hash[idx].size++;
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}
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@ -306,7 +290,7 @@ static void sel_netnode_flush(void)
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list_for_each_entry_safe(node, node_tmp,
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&sel_netnode_hash[idx].list, list) {
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list_del_rcu(&node->list);
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call_rcu(&node->rcu, sel_netnode_free);
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kfree_rcu(node, rcu);
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}
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sel_netnode_hash[idx].size = 0;
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}
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