lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

crypto: cryptd - Switch to template create API

Browse Source 
This patch changes cryptd to use the template->create function
instead of alloc in anticipation for the switch to new style
ahash algorithms.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2009-07-14 18:45:45 +08:00
parent 52861c7cd7
commit 9cd899a32f
3 changed files with 32 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
crypto/cryptd.c
View File

@@ -287,8 +287,9 @@ out_free_inst:
goto out;
}
static struct crypto_instance *cryptd_alloc_blkcipher(
struct rtattr **tb, struct cryptd_queue *queue)
static int cryptd_create_blkcipher(struct crypto_template *tmpl,
struct rtattr **tb,
struct cryptd_queue *queue)
{
struct cryptd_instance_ctx *ctx;
struct crypto_instance *inst;
@@ -298,7 +299,7 @@ static struct crypto_instance *cryptd_alloc_blkcipher(
alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_BLKCIPHER,
CRYPTO_ALG_TYPE_MASK);
if (IS_ERR(alg))
return ERR_CAST(alg);
return PTR_ERR(alg);
inst = cryptd_alloc_instance(alg, sizeof(*ctx));
if (IS_ERR(inst))
@@ -330,14 +331,16 @@ static struct crypto_instance *cryptd_alloc_blkcipher(
inst->alg.cra_ablkcipher.encrypt = cryptd_blkcipher_encrypt_enqueue;
inst->alg.cra_ablkcipher.decrypt = cryptd_blkcipher_decrypt_enqueue;
err = crypto_register_instance(tmpl, inst);
if (err) {
crypto_drop_spawn(&ctx->spawn);
out_free_inst:
kfree(inst);
}
out_put_alg:
crypto_mod_put(alg);
return inst;
out_free_inst:
kfree(inst);
inst = ERR_PTR(err);
goto out_put_alg;
return err;
}
static int cryptd_hash_init_tfm(struct crypto_tfm *tfm)
@@ -502,8 +505,8 @@ static int cryptd_hash_digest_enqueue(struct ahash_request *req)
return cryptd_hash_enqueue(req, cryptd_hash_digest);
}
static struct crypto_instance *cryptd_alloc_hash(
struct rtattr **tb, struct cryptd_queue *queue)
static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
struct cryptd_queue *queue)
{
struct hashd_instance_ctx *ctx;
struct crypto_instance *inst;
@@ -513,7 +516,7 @@ static struct crypto_instance *cryptd_alloc_hash(
salg = shash_attr_alg(tb[1], 0, 0);
if (IS_ERR(salg))
return ERR_CAST(salg);
return PTR_ERR(salg);
alg = &salg->base;
inst = cryptd_alloc_instance(alg, sizeof(*ctx));
@@ -542,34 +545,36 @@ static struct crypto_instance *cryptd_alloc_hash(
inst->alg.cra_ahash.setkey = cryptd_hash_setkey;
inst->alg.cra_ahash.digest = cryptd_hash_digest_enqueue;
err = crypto_register_instance(tmpl, inst);
if (err) {
crypto_drop_shash(&ctx->spawn);
out_free_inst:
kfree(inst);
}
out_put_alg:
crypto_mod_put(alg);
return inst;
out_free_inst:
kfree(inst);
inst = ERR_PTR(err);
goto out_put_alg;
return err;
}
static struct cryptd_queue queue;
static struct crypto_instance *cryptd_alloc(struct rtattr **tb)
static int cryptd_create(struct crypto_template *tmpl, struct rtattr **tb)
{
struct crypto_attr_type *algt;
algt = crypto_get_attr_type(tb);
if (IS_ERR(algt))
return ERR_CAST(algt);
return PTR_ERR(algt);
switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_BLKCIPHER:
return cryptd_alloc_blkcipher(tb, &queue);
return cryptd_create_blkcipher(tmpl, tb, &queue);
case CRYPTO_ALG_TYPE_DIGEST:
return cryptd_alloc_hash(tb, &queue);
return cryptd_create_hash(tmpl, tb, &queue);
}
return ERR_PTR(-EINVAL);
return -EINVAL;
}
static void cryptd_free(struct crypto_instance *inst)
@@ -582,7 +587,7 @@ static void cryptd_free(struct crypto_instance *inst)
static struct crypto_template cryptd_tmpl = {
.name = "cryptd",
.alloc = cryptd_alloc,
.create = cryptd_create,
.free = cryptd_free,
.module = THIS_MODULE,
};