[4.2.y-ckt stable] Patch "crypto: algif_hash - Remove custom release parent function" has been added to the 4.2.y-ckt tree
Kamal Mostafa
kamal at canonical.com
Wed Jan 27 00:12:38 UTC 2016
This is a note to let you know that I have just added a patch titled
crypto: algif_hash - Remove custom release parent function
to the linux-4.2.y-queue branch of the 4.2.y-ckt extended stable tree
which can be found at:
http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-4.2.y-queue
This patch is scheduled to be released in version 4.2.8-ckt3.
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 4.2.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Kamal
---8<------------------------------------------------------------
>From 68aefbd9793462f37fca717a7d1ec58f2e33953b Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert at gondor.apana.org.au>
Date: Wed, 13 Jan 2016 15:00:36 +0800
Subject: crypto: algif_hash - Remove custom release parent function
commit f1d84af1835846a5a2b827382c5848faf2bb0e75 upstream.
This patch removes the custom release parent function as the
generic af_alg_release_parent now works for nokey sockets too.
Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
crypto/algif_hash.c | 43 +++----------------------------------------
1 file changed, 3 insertions(+), 40 deletions(-)
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 46637be..3653ab6 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -384,7 +384,7 @@ static int hash_setkey(void *private, const u8 *key, unsigned int keylen)
return err;
}
-static void hash_sock_destruct_common(struct sock *sk)
+static void hash_sock_destruct(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct hash_ctx *ctx = ask->private;
@@ -392,33 +392,10 @@ static void hash_sock_destruct_common(struct sock *sk)
sock_kzfree_s(sk, ctx->result,
crypto_ahash_digestsize(crypto_ahash_reqtfm(&ctx->req)));
sock_kfree_s(sk, ctx, ctx->len);
-}
-
-static void hash_sock_destruct(struct sock *sk)
-{
- hash_sock_destruct_common(sk);
- af_alg_release_parent(sk);
-}
-
-static void hash_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 hash_sock_destruct_nokey(struct sock *sk)
-{
- hash_sock_destruct_common(sk);
- hash_release_parent_nokey(sk);
-}
-
-static int hash_accept_parent_common(void *private, struct sock *sk)
+static int hash_accept_parent_nokey(void *private, struct sock *sk)
{
struct hash_ctx *ctx;
struct alg_sock *ask = alg_sk(sk);
@@ -461,21 +438,7 @@ static int hash_accept_parent(void *private, struct sock *sk)
if (!tfm->has_key && crypto_ahash_has_setkey(tfm->hash))
return -ENOKEY;
- return hash_accept_parent_common(private, sk);
-}
-
-static int hash_accept_parent_nokey(void *private, struct sock *sk)
-{
- int err;
-
- err = hash_accept_parent_common(private, sk);
- if (err)
- goto out;
-
- sk->sk_destruct = hash_sock_destruct_nokey;
-
-out:
- return err;
+ return hash_accept_parent_nokey(private, sk);
}
static const struct af_alg_type algif_type_hash = {
--
1.9.1
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