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Diffstat (limited to 'crypto/geniv.c')
-rw-r--r--crypto/geniv.c32
1 files changed, 7 insertions, 25 deletions
diff --git a/crypto/geniv.c b/crypto/geniv.c
index 6a90c52d49ad..42eff6a7387c 100644
--- a/crypto/geniv.c
+++ b/crypto/geniv.c
@@ -9,7 +9,6 @@
#include <crypto/internal/geniv.h>
#include <crypto/internal/rng.h>
-#include <crypto/null.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -39,22 +38,19 @@ static void aead_geniv_free(struct aead_instance *inst)
}
struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
- struct rtattr **tb, u32 type, u32 mask)
+ struct rtattr **tb)
{
struct crypto_aead_spawn *spawn;
- struct crypto_attr_type *algt;
struct aead_instance *inst;
struct aead_alg *alg;
unsigned int ivsize;
unsigned int maxauthsize;
+ u32 mask;
int err;
- algt = crypto_get_attr_type(tb);
- if (IS_ERR(algt))
- return ERR_CAST(algt);
-
- if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) & algt->mask)
- return ERR_PTR(-EINVAL);
+ err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask);
+ if (err)
+ return ERR_PTR(err);
inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL);
if (!inst)
@@ -62,11 +58,8 @@ struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
spawn = aead_instance_ctx(inst);
- /* Ignore async algorithms if necessary. */
- mask |= crypto_requires_sync(algt->type, algt->mask);
-
err = crypto_grab_aead(spawn, aead_crypto_instance(inst),
- crypto_attr_alg_name(tb[1]), type, mask);
+ crypto_attr_alg_name(tb[1]), 0, mask);
if (err)
goto err_free_inst;
@@ -89,7 +82,6 @@ struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
CRYPTO_MAX_ALG_NAME)
goto err_free_inst;
- inst->alg.base.cra_flags = alg->base.cra_flags & CRYPTO_ALG_ASYNC;
inst->alg.base.cra_priority = alg->base.cra_priority;
inst->alg.base.cra_blocksize = alg->base.cra_blocksize;
inst->alg.base.cra_alignmask = alg->base.cra_alignmask;
@@ -132,15 +124,10 @@ int aead_init_geniv(struct crypto_aead *aead)
if (err)
goto out;
- ctx->sknull = crypto_get_default_null_skcipher();
- err = PTR_ERR(ctx->sknull);
- if (IS_ERR(ctx->sknull))
- goto out;
-
child = crypto_spawn_aead(aead_instance_ctx(inst));
err = PTR_ERR(child);
if (IS_ERR(child))
- goto drop_null;
+ goto out;
ctx->child = child;
crypto_aead_set_reqsize(aead, crypto_aead_reqsize(child) +
@@ -150,10 +137,6 @@ int aead_init_geniv(struct crypto_aead *aead)
out:
return err;
-
-drop_null:
- crypto_put_default_null_skcipher();
- goto out;
}
EXPORT_SYMBOL_GPL(aead_init_geniv);
@@ -162,7 +145,6 @@ void aead_exit_geniv(struct crypto_aead *tfm)
struct aead_geniv_ctx *ctx = crypto_aead_ctx(tfm);
crypto_free_aead(ctx->child);
- crypto_put_default_null_skcipher();
}
EXPORT_SYMBOL_GPL(aead_exit_geniv);