diff options
Diffstat (limited to 'net/sunrpc/svcauth.c')
| -rw-r--r-- | net/sunrpc/svcauth.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c index 69841db1f533..bb8db3cb8032 100644 --- a/net/sunrpc/svcauth.c +++ b/net/sunrpc/svcauth.c @@ -124,16 +124,20 @@ EXPORT_SYMBOL_GPL(svc_auth_unregister); #define DN_HASHMAX (1<<DN_HASHBITS) static struct hlist_head auth_domain_table[DN_HASHMAX]; -static spinlock_t auth_domain_lock = - __SPIN_LOCK_UNLOCKED(auth_domain_lock); +static DEFINE_SPINLOCK(auth_domain_lock); + +static void auth_domain_release(struct kref *kref) +{ + struct auth_domain *dom = container_of(kref, struct auth_domain, ref); + + hlist_del(&dom->hash); + dom->flavour->domain_release(dom); + spin_unlock(&auth_domain_lock); +} void auth_domain_put(struct auth_domain *dom) { - if (atomic_dec_and_lock(&dom->ref.refcount, &auth_domain_lock)) { - hlist_del(&dom->hash); - dom->flavour->domain_release(dom); - spin_unlock(&auth_domain_lock); - } + kref_put_lock(&dom->ref, auth_domain_release, &auth_domain_lock); } EXPORT_SYMBOL_GPL(auth_domain_put); |