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authorDavid S. Miller <davem@davemloft.net>2020-07-11 00:46:00 -0700
committerDavid S. Miller <davem@davemloft.net>2020-07-11 00:46:00 -0700
commit71930d61025e7d0254f3c682cb1b5242e0499cf3 (patch)
tree43b642f15d33ae6ba08a31ddf2d50e2915868a5e /crypto/algif_hash.c
parenta594920f8747fa032c784c3660d6cd5a8ab291f8 (diff)
parent1df0d8960499e58963fd6c8ac75e544f2b417b29 (diff)
downloadlinux-71930d61025e7d0254f3c682cb1b5242e0499cf3.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
All conflicts seemed rather trivial, with some guidance from Saeed Mameed on the tc_ct.c one. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'crypto/algif_hash.c')
-rw-r--r--crypto/algif_hash.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index da1ffa4f7f8d..e71727c25a7d 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -301,7 +301,7 @@ static int hash_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;
@@ -313,11 +313,8 @@ static int hash_check_key(struct socket *sock)
if (crypto_ahash_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;