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| author | Michal Hocko <mhocko@suse.cz> | 2011-07-08 14:39:41 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-07-08 22:21:58 +0200 |
| commit | d8bf4ca9ca9576548628344c9725edd3786e90b1 (patch) | |
| tree | df338f50a5af6bc3651bd863b79fa91e6b1e9e20 /security/keys/keyring.c | |
| parent | eb032b9837a958e21ca000358a5bde5e17192ddb (diff) | |
| download | lwn-d8bf4ca9ca9576548628344c9725edd3786e90b1.tar.gz lwn-d8bf4ca9ca9576548628344c9725edd3786e90b1.zip | |
rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check
Since ca5ecddf (rcu: define __rcu address space modifier for sparse)
rcu_dereference_check use rcu_read_lock_held as a part of condition
automatically so callers do not have to do that as well.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'security/keys/keyring.c')
| -rw-r--r-- | security/keys/keyring.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/security/keys/keyring.c b/security/keys/keyring.c index a06ffab38568..30e242f7bd0e 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -155,7 +155,6 @@ static void keyring_destroy(struct key *keyring) } klist = rcu_dereference_check(keyring->payload.subscriptions, - rcu_read_lock_held() || atomic_read(&keyring->usage) == 0); if (klist) { for (loop = klist->nkeys - 1; loop >= 0; loop--) |