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-rw-r--r--crypto/algif_aead.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index f138af18b500..d2638a2289cd 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -83,7 +83,7 @@ static int crypto_aead_copy_sgl(struct crypto_skcipher *null_tfm,
SKCIPHER_REQUEST_ON_STACK(skreq, null_tfm);
skcipher_request_set_tfm(skreq, null_tfm);
- skcipher_request_set_callback(skreq, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ skcipher_request_set_callback(skreq, CRYPTO_TFM_REQ_MAY_SLEEP,
NULL, NULL);
skcipher_request_set_crypt(skreq, src, dst, len, NULL);
@@ -296,19 +296,20 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg,
areq->outlen = outlen;
aead_request_set_callback(&areq->cra_u.aead_req,
- CRYPTO_TFM_REQ_MAY_BACKLOG,
+ CRYPTO_TFM_REQ_MAY_SLEEP,
af_alg_async_cb, areq);
err = ctx->enc ? crypto_aead_encrypt(&areq->cra_u.aead_req) :
crypto_aead_decrypt(&areq->cra_u.aead_req);
/* AIO operation in progress */
- if (err == -EINPROGRESS || err == -EBUSY)
+ if (err == -EINPROGRESS)
return -EIOCBQUEUED;
sock_put(sk);
} else {
/* Synchronous operation */
aead_request_set_callback(&areq->cra_u.aead_req,
+ CRYPTO_TFM_REQ_MAY_SLEEP |
CRYPTO_TFM_REQ_MAY_BACKLOG,
af_alg_complete, &ctx->completion);
err = af_alg_wait_for_completion(ctx->enc ?
@@ -389,7 +390,7 @@ static int aead_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;
@@ -401,11 +402,8 @@ static int aead_check_key(struct socket *sock)
if (!tfm->has_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;