diff options
Diffstat (limited to 'arch/arm/crypto/ghash-ce-glue.c')
| -rw-r--r-- | arch/arm/crypto/ghash-ce-glue.c | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/arch/arm/crypto/ghash-ce-glue.c b/arch/arm/crypto/ghash-ce-glue.c index 03a39fe29246..1568cb5cd870 100644 --- a/arch/arm/crypto/ghash-ce-glue.c +++ b/arch/arm/crypto/ghash-ce-glue.c @@ -154,30 +154,23 @@ static int ghash_async_init(struct ahash_request *req) struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm); struct ahash_request *cryptd_req = ahash_request_ctx(req); struct cryptd_ahash *cryptd_tfm = ctx->cryptd_tfm; + struct shash_desc *desc = cryptd_shash_desc(cryptd_req); + struct crypto_shash *child = cryptd_ahash_child(cryptd_tfm); - if (!may_use_simd()) { - memcpy(cryptd_req, req, sizeof(*req)); - ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); - return crypto_ahash_init(cryptd_req); - } else { - struct shash_desc *desc = cryptd_shash_desc(cryptd_req); - struct crypto_shash *child = cryptd_ahash_child(cryptd_tfm); - - desc->tfm = child; - desc->flags = req->base.flags; - return crypto_shash_init(desc); - } + desc->tfm = child; + desc->flags = req->base.flags; + return crypto_shash_init(desc); } static int ghash_async_update(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; - if (!may_use_simd()) { - 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; - + if (!may_use_simd() || + (in_atomic() && cryptd_ahash_queued(cryptd_tfm))) { memcpy(cryptd_req, req, sizeof(*req)); ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); return crypto_ahash_update(cryptd_req); @@ -190,12 +183,12 @@ static int ghash_async_update(struct ahash_request *req) static int ghash_async_final(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; - if (!may_use_simd()) { - 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; - + if (!may_use_simd() || + (in_atomic() && cryptd_ahash_queued(cryptd_tfm))) { memcpy(cryptd_req, req, sizeof(*req)); ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); return crypto_ahash_final(cryptd_req); @@ -212,7 +205,8 @@ static int ghash_async_digest(struct ahash_request *req) struct ahash_request *cryptd_req = ahash_request_ctx(req); struct cryptd_ahash *cryptd_tfm = ctx->cryptd_tfm; - if (!may_use_simd()) { + if (!may_use_simd() || + (in_atomic() && cryptd_ahash_queued(cryptd_tfm))) { memcpy(cryptd_req, req, sizeof(*req)); ahash_request_set_tfm(cryptd_req, &cryptd_tfm->base); return crypto_ahash_digest(cryptd_req); |