crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path
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>
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 6566d2e..e7cb836 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -133,6 +133,12 @@
bool last;
sk = ask->parent;
+
+ if (ask->nokey_refcnt && !ask->refcnt) {
+ sock_put(sk);
+ return;
+ }
+
ask = alg_sk(sk);
lock_sock(sk);
@@ -268,8 +274,8 @@
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;
@@ -302,6 +308,7 @@
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;