From 06ec1f82bfa5078928e0efaa5ed350a1dcc91631 Mon Sep 17 00:00:00 2001 From: Himanshu Jha Date: Sun, 27 Aug 2017 11:52:48 +0530 Subject: crypto: Use PTR_ERR_ZERO Use PTR_ERROR_ZERO rather than if(IS_ERR(...)) + PTR_ERR. Build successfully. Signed-off-by: Himanshu Jha Signed-off-by: Herbert Xu --- drivers/crypto/qce/ablkcipher.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/crypto/qce') diff --git a/drivers/crypto/qce/ablkcipher.c b/drivers/crypto/qce/ablkcipher.c index b04b42f48366..ea4d96bf47e8 100644 --- a/drivers/crypto/qce/ablkcipher.c +++ b/drivers/crypto/qce/ablkcipher.c @@ -248,10 +248,7 @@ static int qce_ablkcipher_init(struct crypto_tfm *tfm) ctx->fallback = crypto_alloc_skcipher(crypto_tfm_alg_name(tfm), 0, CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK); - if (IS_ERR(ctx->fallback)) - return PTR_ERR(ctx->fallback); - - return 0; + return PTR_ERR_OR_ZERO(ctx->fallback); } static void qce_ablkcipher_exit(struct crypto_tfm *tfm) -- cgit v1.2.3 From c70e5f9403103c0a754c4c726e00ddbd7c2c3bf4 Mon Sep 17 00:00:00 2001 From: Gilad Ben-Yossef Date: Wed, 18 Oct 2017 08:00:50 +0100 Subject: crypto: qce - move to generic async completion The qce driver starts several async crypto ops and waits for their completions. Move it over to generic code doing the same. Signed-off-by: Gilad Ben-Yossef Signed-off-by: Herbert Xu --- drivers/crypto/qce/sha.c | 30 ++++-------------------------- 1 file changed, 4 insertions(+), 26 deletions(-) (limited to 'drivers/crypto/qce') diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c index 47e114ac09d0..53227d70d397 100644 --- a/drivers/crypto/qce/sha.c +++ b/drivers/crypto/qce/sha.c @@ -349,28 +349,12 @@ static int qce_ahash_digest(struct ahash_request *req) return qce->async_req_enqueue(tmpl->qce, &req->base); } -struct qce_ahash_result { - struct completion completion; - int error; -}; - -static void qce_digest_complete(struct crypto_async_request *req, int error) -{ - struct qce_ahash_result *result = req->data; - - if (error == -EINPROGRESS) - return; - - result->error = error; - complete(&result->completion); -} - static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen) { unsigned int digestsize = crypto_ahash_digestsize(tfm); struct qce_sha_ctx *ctx = crypto_tfm_ctx(&tfm->base); - struct qce_ahash_result result; + struct crypto_wait wait; struct ahash_request *req; struct scatterlist sg; unsigned int blocksize; @@ -405,9 +389,9 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, goto err_free_ahash; } - init_completion(&result.completion); + crypto_init_wait(&wait); ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - qce_digest_complete, &result); + crypto_req_done, &wait); crypto_ahash_clear_flags(ahash_tfm, ~0); buf = kzalloc(keylen + QCE_MAX_ALIGN_SIZE, GFP_KERNEL); @@ -420,13 +404,7 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key, sg_init_one(&sg, buf, keylen); ahash_request_set_crypt(req, &sg, ctx->authkey, keylen); - ret = crypto_ahash_digest(req); - if (ret == -EINPROGRESS || ret == -EBUSY) { - ret = wait_for_completion_interruptible(&result.completion); - if (!ret) - ret = result.error; - } - + ret = crypto_wait_req(crypto_ahash_digest(req), &wait); if (ret) crypto_ahash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); -- cgit v1.2.3