diff options
Diffstat (limited to 'src/noise.c')
| -rw-r--r-- | src/noise.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/noise.c b/src/noise.c index b24b483..cefedee 100644 --- a/src/noise.c +++ b/src/noise.c @@ -95,6 +95,16 @@ void noise_keypair_put(struct noise_keypair *keypair) kref_put(&keypair->refcount, keypair_free_kref); } +struct noise_keypair *noise_keypair_get(struct noise_keypair *keypair) +{ + RCU_LOCKDEP_WARN(!rcu_read_lock_held(), "Calling noise_keypair_get without holding the RCU read lock."); + if (unlikely(!keypair)) + return NULL; + if (unlikely(!kref_get_unless_zero(&keypair->refcount))) + return NULL; + return keypair; +} + void noise_keypairs_clear(struct noise_keypairs *keypairs) { struct noise_keypair *old; |