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-rw-r--r--security/keys/request_key.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 1919540f047..54aa7b70e63 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -175,13 +175,12 @@ static struct key *__request_key_construction(struct key_type *type,
key->expiry = now.tv_sec + key_negative_timeout;
if (current->signal->session_keyring) {
- unsigned long flags;
struct key *keyring;
- spin_lock_irqsave(&current->sighand->siglock, flags);
- keyring = current->signal->session_keyring;
+ rcu_read_lock();
+ keyring = rcu_dereference(current->signal->session_keyring);
atomic_inc(&keyring->usage);
- spin_unlock_irqrestore(&current->sighand->siglock, flags);
+ rcu_read_unlock();
key_link(keyring, key);
key_put(keyring);