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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2011-03-18 12:05:22 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-07-20 14:10:14 -0700 |
| commit | 9801c60e99ed76c5730fb290c00bfad12a419972 (patch) | |
| tree | 4c010680b33015e237f0761a3a3c79d180f13857 /security/selinux/netnode.c | |
| parent | f218a7ee7a1c37058eef4bb5fefff9bdb0f52766 (diff) | |
| download | lwn-9801c60e99ed76c5730fb290c00bfad12a419972.tar.gz lwn-9801c60e99ed76c5730fb290c00bfad12a419972.zip | |
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>
Diffstat (limited to 'security/selinux/netnode.c')
| -rw-r--r-- | security/selinux/netnode.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/security/selinux/netnode.c b/security/selinux/netnode.c index 3618251d0fdb..8b691a863186 100644 --- a/security/selinux/netnode.c +++ b/security/selinux/netnode.c @@ -69,22 +69,6 @@ static DEFINE_SPINLOCK(sel_netnode_lock); static struct sel_netnode_bkt sel_netnode_hash[SEL_NETNODE_HASH_SIZE]; /** - * sel_netnode_free - Frees a node 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 node entry can be - * released safely. - * - */ -static void sel_netnode_free(struct rcu_head *p) -{ - struct sel_netnode *node = container_of(p, struct sel_netnode, rcu); - kfree(node); -} - -/** * sel_netnode_hashfn_ipv4 - IPv4 hashing function for the node table * @addr: IPv4 address * @@ -193,7 +177,7 @@ static void sel_netnode_insert(struct sel_netnode *node) rcu_dereference(sel_netnode_hash[idx].list.prev), struct sel_netnode, list); list_del_rcu(&tail->list); - call_rcu(&tail->rcu, sel_netnode_free); + kfree_rcu(tail, rcu); } else sel_netnode_hash[idx].size++; } @@ -306,7 +290,7 @@ static void sel_netnode_flush(void) list_for_each_entry_safe(node, node_tmp, &sel_netnode_hash[idx].list, list) { list_del_rcu(&node->list); - call_rcu(&node->rcu, sel_netnode_free); + kfree_rcu(node, rcu); } sel_netnode_hash[idx].size = 0; } |