security,rcu: Convert call_rcu(sel_netport_free) to kfree_rcu()
The rcu callback sel_netport_free() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(sel_netport_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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9801c60e99
Коммит
449a68cc65
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@ -67,22 +67,6 @@ static LIST_HEAD(sel_netport_list);
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static DEFINE_SPINLOCK(sel_netport_lock);
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static struct sel_netport_bkt sel_netport_hash[SEL_NETPORT_HASH_SIZE];
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/**
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* sel_netport_free - Frees a port 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 port entry can be
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* released safely.
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*
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*/
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static void sel_netport_free(struct rcu_head *p)
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{
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struct sel_netport *port = container_of(p, struct sel_netport, rcu);
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kfree(port);
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}
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/**
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* sel_netport_hashfn - Hashing function for the port table
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* @pnum: port number
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@ -142,7 +126,7 @@ static void sel_netport_insert(struct sel_netport *port)
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rcu_dereference(sel_netport_hash[idx].list.prev),
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struct sel_netport, list);
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list_del_rcu(&tail->list);
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call_rcu(&tail->rcu, sel_netport_free);
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kfree_rcu(tail, rcu);
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} else
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sel_netport_hash[idx].size++;
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}
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@ -241,7 +225,7 @@ static void sel_netport_flush(void)
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list_for_each_entry_safe(port, port_tmp,
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&sel_netport_hash[idx].list, list) {
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list_del_rcu(&port->list);
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call_rcu(&port->rcu, sel_netport_free);
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kfree_rcu(port, rcu);
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}
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sel_netport_hash[idx].size = 0;
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}
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