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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2011-03-18 12:11:07 +0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-07 22:50:54 -0700 |
| commit | 3acb458c32293405cf68985b7b3ac5dc0a5e7929 (patch) | |
| tree | 2943bc04adaedf25377c954087c7277118a4aae1 /security | |
| parent | 75ef0368d182785c7c5c06ac11081e31257a313e (diff) | |
| download | lwn-3acb458c32293405cf68985b7b3ac5dc0a5e7929.tar.gz lwn-3acb458c32293405cf68985b7b3ac5dc0a5e7929.zip | |
security,rcu: convert call_rcu(user_update_rcu_disposal) to kfree_rcu()
The rcu callback user_update_rcu_disposal() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(user_update_rcu_disposal).
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'security')
| -rw-r--r-- | security/keys/user_defined.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c index c6ca8662a468..f66baf44f32d 100644 --- a/security/keys/user_defined.c +++ b/security/keys/user_defined.c @@ -69,18 +69,6 @@ error: EXPORT_SYMBOL_GPL(user_instantiate); /* - * dispose of the old data from an updated user defined key - */ -static void user_update_rcu_disposal(struct rcu_head *rcu) -{ - struct user_key_payload *upayload; - - upayload = container_of(rcu, struct user_key_payload, rcu); - - kfree(upayload); -} - -/* * update a user defined key * - the key's semaphore is write-locked */ @@ -114,7 +102,7 @@ int user_update(struct key *key, const void *data, size_t datalen) key->expiry = 0; } - call_rcu(&zap->rcu, user_update_rcu_disposal); + kfree_rcu(zap, rcu); error: return ret; @@ -145,7 +133,7 @@ void user_revoke(struct key *key) if (upayload) { rcu_assign_pointer(key->payload.data, NULL); - call_rcu(&upayload->rcu, user_update_rcu_disposal); + kfree_rcu(upayload, rcu); } } |