diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/auth.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index c1576b110974..77748e572686 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -588,19 +588,15 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, if (!entry->cr_ops->crmatch(acred, entry, flags)) continue; if (flags & RPCAUTH_LOOKUP_RCU) { - if (test_bit(RPCAUTH_CRED_HASHED, &entry->cr_flags) && - !test_bit(RPCAUTH_CRED_NEW, &entry->cr_flags)) - cred = entry; + if (test_bit(RPCAUTH_CRED_NEW, &entry->cr_flags) || + atomic_read(&entry->cr_count) == 0) + continue; + cred = entry; break; } - spin_lock(&cache->lock); - if (test_bit(RPCAUTH_CRED_HASHED, &entry->cr_flags) == 0) { - spin_unlock(&cache->lock); - continue; - } cred = get_rpccred(entry); - spin_unlock(&cache->lock); - break; + if (cred) + break; } rcu_read_unlock(); @@ -621,7 +617,8 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, if (!entry->cr_ops->crmatch(acred, entry, flags)) continue; cred = get_rpccred(entry); - break; + if (cred) + break; } if (cred == NULL) { cred = new; |