From 6d528b082294f0ddabd6368297546a2c0b67d4fe Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 22 Aug 2011 14:08:51 +0100 Subject: [PATCH] KEYS: __key_link() should use the RCU deref wrapper for keyring payloads __key_link() should use the RCU deref wrapper rcu_dereference_locked_keyring() for accessing keyring payloads rather than calling rcu_dereference_protected() directly. Signed-off-by: David Howells Signed-off-by: James Morris --- security/keys/keyring.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/security/keys/keyring.c b/security/keys/keyring.c index 30e242f7bd0e..37a7f3b28852 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -860,8 +860,7 @@ void __key_link(struct key *keyring, struct key *key, kenter("%d,%d,%p", keyring->serial, key->serial, nklist); - klist = rcu_dereference_protected(keyring->payload.subscriptions, - rwsem_is_locked(&keyring->sem)); + klist = rcu_dereference_locked_keyring(keyring); atomic_inc(&key->usage);