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authorSteven Rostedt <srostedt@redhat.com>2010-05-17 22:26:53 -0400
committerSteven Rostedt <rostedt@goodmis.org>2010-05-18 00:35:23 -0400
commitf0218b3e9974f06014b61be8987159f4a20e011e (patch)
tree29a593c4d71ab18cb0c450a34e79bf6bea66877e /security/keys/gc.c
parent1eaa4787a774c4896518c81f24e8bccaa2244924 (diff)
parent9d192e118a094087494997ea1c8a2faf39af38c5 (diff)
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Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-6
Conflicts: include/trace/ftrace.h kernel/trace/trace_kprobe.c Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'security/keys/gc.c')
-rw-r--r--security/keys/gc.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/security/keys/gc.c b/security/keys/gc.c
index 1990231..a46e825 100644
--- a/security/keys/gc.c
+++ b/security/keys/gc.c
@@ -77,10 +77,10 @@ static bool key_gc_keyring(struct key *keyring, time_t limit)
goto dont_gc;
/* scan the keyring looking for dead keys */
- klist = rcu_dereference_check(keyring->payload.subscriptions,
- lockdep_is_held(&key_serial_lock));
+ rcu_read_lock();
+ klist = rcu_dereference(keyring->payload.subscriptions);
if (!klist)
- goto dont_gc;
+ goto unlock_dont_gc;
for (loop = klist->nkeys - 1; loop >= 0; loop--) {
key = klist->keys[loop];
@@ -89,11 +89,14 @@ static bool key_gc_keyring(struct key *keyring, time_t limit)
goto do_gc;
}
+unlock_dont_gc:
+ rcu_read_unlock();
dont_gc:
kleave(" = false");
return false;
do_gc:
+ rcu_read_unlock();
key_gc_cursor = keyring->serial;
key_get(keyring);
spin_unlock(&key_serial_lock);