diff options
Diffstat (limited to 'arch/x86/crypto/ghash-clmulni-intel_glue.c')
| -rw-r--r-- | arch/x86/crypto/ghash-clmulni-intel_glue.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c index 41bc02e48916..c759ec808bf1 100644 --- a/arch/x86/crypto/ghash-clmulni-intel_glue.c +++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c @@ -189,6 +189,20 @@ static int ghash_async_init(struct ahash_request *req) return crypto_shash_init(desc); } +static void ghash_init_cryptd_req(struct ahash_request *req) +{ + struct ahash_request *cryptd_req = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm); + struct cryptd_ahash *cryptd_tfm = ctx->cryptd_tfm; + + ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); + ahash_request_set_callback(cryptd_req, req->base.flags, + req->base.complete, req->base.data); + ahash_request_set_crypt(cryptd_req, req->src, req->result, + req->nbytes); +} + static int ghash_async_update(struct ahash_request *req) { struct ahash_request *cryptd_req = ahash_request_ctx(req); @@ -198,8 +212,7 @@ static int ghash_async_update(struct ahash_request *req) if (!crypto_simd_usable() || (in_atomic() && cryptd_ahash_queued(cryptd_tfm))) { - memcpy(cryptd_req, req, sizeof(*req)); - ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); + ghash_init_cryptd_req(req); return crypto_ahash_update(cryptd_req); } else { struct shash_desc *desc = cryptd_shash_desc(cryptd_req); @@ -216,8 +229,7 @@ static int ghash_async_final(struct ahash_request *req) if (!crypto_simd_usable() || (in_atomic() && cryptd_ahash_queued(cryptd_tfm))) { - memcpy(cryptd_req, req, sizeof(*req)); - ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); + ghash_init_cryptd_req(req); return crypto_ahash_final(cryptd_req); } else { struct shash_desc *desc = cryptd_shash_desc(cryptd_req); @@ -257,8 +269,7 @@ static int ghash_async_digest(struct ahash_request *req) if (!crypto_simd_usable() || (in_atomic() && cryptd_ahash_queued(cryptd_tfm))) { - memcpy(cryptd_req, req, sizeof(*req)); - ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); + ghash_init_cryptd_req(req); return crypto_ahash_digest(cryptd_req); } else { struct shash_desc *desc = cryptd_shash_desc(cryptd_req); |