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authorDave Airlie <airlied@redhat.com>2020-07-24 01:28:09 +0300
committerDave Airlie <airlied@redhat.com>2020-07-24 01:48:05 +0300
commit41206a073ceebc517245677a19f52ba6379b33a9 (patch)
tree2fc35aac6abe32b99058ad55b0fc6e4d449d1056 /crypto/algif_hash.c
parent206739119508d5ab4b42ab480ff61a7e6cd72d7c (diff)
parentba47d845d715a010f7b51f6f89bae32845e6acb7 (diff)
downloadlinux-41206a073ceebc517245677a19f52ba6379b33a9.tar.xz
Merge v5.8-rc6 into drm-next
I've got a silent conflict + two trees based on fixes to merge. Fixes a silent merge with amdgpu Signed-off-by: Dave Airlie <airlied@redhat.com>
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;