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Diffstat (limited to 'crypto/cts.c')
-rw-r--r--crypto/cts.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/crypto/cts.c b/crypto/cts.c
index 48188adc8e91..5e005c4f0221 100644
--- a/crypto/cts.c
+++ b/crypto/cts.c
@@ -327,7 +327,6 @@ static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb)
struct skcipher_instance *inst;
struct crypto_attr_type *algt;
struct skcipher_alg *alg;
- const char *cipher_name;
u32 mask;
int err;
@@ -340,10 +339,6 @@ static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb)
mask = crypto_requires_sync(algt->type, algt->mask);
- cipher_name = crypto_attr_alg_name(tb[1]);
- if (IS_ERR(cipher_name))
- return PTR_ERR(cipher_name);
-
inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL);
if (!inst)
return -ENOMEM;
@@ -351,7 +346,7 @@ static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb)
spawn = skcipher_instance_ctx(inst);
err = crypto_grab_skcipher(spawn, skcipher_crypto_instance(inst),
- cipher_name, 0, mask);
+ crypto_attr_alg_name(tb[1]), 0, mask);
if (err)
goto err_free_inst;
@@ -359,15 +354,15 @@ static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb)
err = -EINVAL;
if (crypto_skcipher_alg_ivsize(alg) != alg->base.cra_blocksize)
- goto err_drop_spawn;
+ goto err_free_inst;
if (strncmp(alg->base.cra_name, "cbc(", 4))
- goto err_drop_spawn;
+ goto err_free_inst;
err = crypto_inst_setname(skcipher_crypto_instance(inst), "cts",
&alg->base);
if (err)
- goto err_drop_spawn;
+ 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;
@@ -391,17 +386,11 @@ static int crypto_cts_create(struct crypto_template *tmpl, struct rtattr **tb)
inst->free = crypto_cts_free;
err = skcipher_register_instance(tmpl, inst);
- if (err)
- goto err_drop_spawn;
-
-out:
- return err;
-
-err_drop_spawn:
- crypto_drop_skcipher(spawn);
+ if (err) {
err_free_inst:
- kfree(inst);
- goto out;
+ crypto_cts_free(inst);
+ }
+ return err;
}
static struct crypto_template crypto_cts_tmpl = {