diff options
Diffstat (limited to 'crypto/algif_hash.c')
| -rw-r--r-- | crypto/algif_hash.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index da1ffa4f..50f7b22f 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -279,10 +279,8 @@ static struct proto_ops algif_hash_ops = { .ioctl = sock_no_ioctl, .listen = sock_no_listen, .shutdown = sock_no_shutdown, - .getsockopt = sock_no_getsockopt, .mmap = sock_no_mmap, .bind = sock_no_bind, - .setsockopt = sock_no_setsockopt, .release = af_alg_release, .sendmsg = hash_sendmsg, @@ -301,7 +299,7 @@ static int hash_check_key(struct socket *sock) struct alg_sock *ask = alg_sk(sk); lock_sock(sk); - if (ask->refcnt) + if (!atomic_read(&ask->nokey_refcnt)) goto unlock_child; psk = ask->parent; @@ -313,11 +311,8 @@ static int hash_check_key(struct socket *sock) if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) goto unlock; - if (!pask->refcnt++) - sock_hold(psk); - - ask->refcnt = 1; - sock_put(psk); + atomic_dec(&pask->nokey_refcnt); + atomic_set(&ask->nokey_refcnt, 0); err = 0; @@ -386,10 +381,8 @@ static struct proto_ops algif_hash_ops_nokey = { .ioctl = sock_no_ioctl, .listen = sock_no_listen, .shutdown = sock_no_shutdown, - .getsockopt = sock_no_getsockopt, .mmap = sock_no_mmap, .bind = sock_no_bind, - .setsockopt = sock_no_setsockopt, .release = af_alg_release, .sendmsg = hash_sendmsg_nokey, |