The async path cannot use MAY_BACKLOG because it is not meant to block, which is what MAY_BACKLOG does. On the other hand, both the sync and async paths can make use of MAY_SLEEP. Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> --- crypto/algif_skcipher.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index ef84353..28556fc 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -536,7 +536,7 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg, sg_init_table(sreq->tsg, tx_nents); memcpy(iv, ctx->iv, ivsize); skcipher_request_set_tfm(req, tfm); - skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, skcipher_async_cb, sreq); while (iov_iter_count(&msg->msg_iter)) { @@ -950,7 +950,8 @@ static int skcipher_accept_parent_nokey(void *private, struct sock *sk) ask->private = ctx; skcipher_request_set_tfm(&ctx->req, skcipher); - skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG, + skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_SLEEP | + CRYPTO_TFM_REQ_MAY_BACKLOG, af_alg_complete, &ctx->completion); sk->sk_destruct = skcipher_sock_destruct; -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html