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authorHerbert Xu <herbert@gondor.apana.org.au>2016-01-13 15:01:06 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-01-18 18:16:33 +0800
commitd7b65aee1e7b4c87922b0232eaba56a8a143a4a0 (patch)
tree5993f7613918a926bfe928d6b74c947220173161 /crypto
parentf1d84af1835846a5a2b827382c5848faf2bb0e75 (diff)
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crypto: algif_skcipher - Remove custom release parent function
This patch removes the custom release parent function as the generic af_alg_release_parent now works for nokey sockets too. Cc: stable@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/algif_skcipher.c43
1 files changed, 3 insertions, 40 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 4a5bdb69fd49..1f99d2d47715 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -895,7 +895,7 @@ static void skcipher_wait(struct sock *sk)
msleep(100);
}
-static void skcipher_sock_destruct_common(struct sock *sk)
+static void skcipher_sock_destruct(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
@@ -907,33 +907,10 @@ static void skcipher_sock_destruct_common(struct sock *sk)
skcipher_free_sgl(sk);
sock_kzfree_s(sk, ctx->iv, crypto_skcipher_ivsize(tfm));
sock_kfree_s(sk, ctx, ctx->len);
-}
-
-static void skcipher_sock_destruct(struct sock *sk)
-{
- skcipher_sock_destruct_common(sk);
- af_alg_release_parent(sk);
-}
-
-static void skcipher_release_parent_nokey(struct sock *sk)
-{
- struct alg_sock *ask = alg_sk(sk);
-
- if (!ask->refcnt) {
- sock_put(ask->parent);
- return;
- }
-
af_alg_release_parent(sk);
}
-static void skcipher_sock_destruct_nokey(struct sock *sk)
-{
- skcipher_sock_destruct_common(sk);
- skcipher_release_parent_nokey(sk);
-}
-
-static int skcipher_accept_parent_common(void *private, struct sock *sk)
+static int skcipher_accept_parent_nokey(void *private, struct sock *sk)
{
struct skcipher_ctx *ctx;
struct alg_sock *ask = alg_sk(sk);
@@ -981,21 +958,7 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
if (!tfm->has_key && crypto_skcipher_has_setkey(tfm->skcipher))
return -ENOKEY;
- return skcipher_accept_parent_common(private, sk);
-}
-
-static int skcipher_accept_parent_nokey(void *private, struct sock *sk)
-{
- int err;
-
- err = skcipher_accept_parent_common(private, sk);
- if (err)
- goto out;
-
- sk->sk_destruct = skcipher_sock_destruct_nokey;
-
-out:
- return err;
+ return skcipher_accept_parent_nokey(private, sk);
}
static const struct af_alg_type algif_type_skcipher = {