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| author |   Horia Geanta <horia.geanta@freescale.com> | 2012-08-02 17:16:38 +0300 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2012-08-28 23:56:26 +0800 |
| commit | 602499a34247a890fd018c364c9bb6f9b931c1db (patch) | |
| tree | 053c47b4673854d97dc2b9e2e6fcf78a83d8359c /drivers/crypto/talitos.c | |
| parent | crypto: talitos - fix icv management on outbound direction (diff) | |
| download | linux-dev-602499a34247a890fd018c364c9bb6f9b931c1db.tar.xz linux-dev-602499a34247a890fd018c364c9bb6f9b931c1db.zip | |
crypto: talitos - prune unneeded descriptor allocation param
talitos_edesc_alloc does not need hash_result param.
Checking whether dst scatterlist is NULL or not is all that is required.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/talitos.c')
| -rw-r--r-- | drivers/crypto/talitos.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 8653f601b95f..f0507d167c2f 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -1134,7 +1134,6 @@ static size_t sg_copy_end_to_buffer(struct scatterlist *sgl, unsigned int nents, static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, struct scatterlist *src, struct scatterlist *dst, - int hash_result, unsigned int cryptlen, unsigned int authsize, int icv_stashing, @@ -1154,7 +1153,7 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev, src_nents = sg_count(src, cryptlen + authsize, &src_chained); src_nents = (src_nents == 1) ? 0 : src_nents; - if (hash_result) { + if (!dst) { dst_nents = 0; } else { if (dst == src) { @@ -1206,7 +1205,7 @@ static struct talitos_edesc *aead_edesc_alloc(struct aead_request *areq, struct crypto_aead *authenc = crypto_aead_reqtfm(areq); struct talitos_ctx *ctx = crypto_aead_ctx(authenc); - return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, 0, + return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, areq->cryptlen, ctx->authsize, icv_stashing, areq->base.flags); } @@ -1451,8 +1450,8 @@ static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request * struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq); struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); - return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, 0, - areq->nbytes, 0, 0, areq->base.flags); + return talitos_edesc_alloc(ctx->dev, areq->src, areq->dst, areq->nbytes, + 0, 0, areq->base.flags); } static int ablkcipher_encrypt(struct ablkcipher_request *areq) @@ -1631,8 +1630,8 @@ static struct talitos_edesc *ahash_edesc_alloc(struct ahash_request *areq, struct talitos_ctx *ctx = crypto_ahash_ctx(tfm); struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq); - return talitos_edesc_alloc(ctx->dev, req_ctx->psrc, NULL, 1, - nbytes, 0, 0, areq->base.flags); + return talitos_edesc_alloc(ctx->dev, req_ctx->psrc, NULL, nbytes, 0, 0, + areq->base.flags); } static int ahash_init(struct ahash_request *areq) |