diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-10-27 17:29:42 +0300 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-11 10:59:02 +0200 |
| commit | 1aed82a1d790b2b352f33760b22d7903ecd889e6 (patch) | |
| tree | 7e11682326ef7967cf41a86aac0bf794110b5e0f /crypto | |
| parent | e7a997d0e4a5c5e6e395f56532c46d8e16ed9984 (diff) | |
crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path
commit 6a935170a980024dd29199e9dbb5c4da4767a1b9 upstream.
This patch allows af_alg_release_parent to be called even for
nokey sockets.
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/af_alg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/crypto/af_alg.c b/crypto/af_alg.c index de130c24a..2f8fd8441 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -133,6 +133,12 @@ void af_alg_release_parent(struct sock *sk) bool last; sk = ask->parent; + + if (ask->nokey_refcnt && !ask->refcnt) { + sock_put(sk); + return; + } + ask = alg_sk(sk); lock_sock(sk); @@ -258,8 +264,8 @@ int af_alg_accept(struct sock *sk, struct socket *newsock) struct alg_sock *ask = alg_sk(sk); const struct af_alg_type *type; struct sock *sk2; + unsigned int nokey; int err; - bool nokey; lock_sock(sk); type = ask->type; @@ -292,6 +298,7 @@ int af_alg_accept(struct sock *sk, struct socket *newsock) sock_hold(sk); alg_sk(sk2)->parent = sk; alg_sk(sk2)->type = type; + alg_sk(sk2)->nokey_refcnt = nokey; newsock->ops = type->ops; newsock->state = SS_CONNECTED; |