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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-20 09:43:40 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-20 09:43:40 +0200
commitc4d41d00552754cc8cdd66a52da9b7c203884d49 (patch)
tree60be0f3d543ad6d300a033d91dc313bc595cd737 /crypto/algif_skcipher.c
parenthpilo: Replace one-element array with flexible-array member (diff)
parentLinux 5.8-rc6 (diff)
downloadwireguard-linux-c4d41d00552754cc8cdd66a52da9b7c203884d49.tar.xz
wireguard-linux-c4d41d00552754cc8cdd66a52da9b7c203884d49.zip
Merge v5.8-rc6 into char-misc-next
We need the char/misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'crypto/algif_skcipher.c')
-rw-r--r--crypto/algif_skcipher.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 4c3bdffe0c3a..ec5567c87a6d 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -211,7 +211,7 @@ static int skcipher_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;
@@ -223,11 +223,8 @@ static int skcipher_check_key(struct socket *sock)
if (crypto_skcipher_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;