diff options
| author | Gilad Ben-Yossef <gilad@benyossef.com> | 2017-10-18 10:00:50 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-11-03 17:11:22 +0300 |
| commit | c70e5f9403103c0a754c4c726e00ddbd7c2c3bf4 (patch) | |
| tree | 33ab1b91c66806fa70d1eb14b4d7c313c3c6850d /drivers/crypto | |
| parent | f1c90ac3d71324ac7a6beebc33b0d493c4cbbf1a (diff) | |
| download | linux-c70e5f9403103c0a754c4c726e00ddbd7c2c3bf4.tar.xz | |
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 <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/qce/sha.c | 30 |
1 files changed, 4 insertions, 26 deletions
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); |