diff options
Diffstat (limited to 'crypto/skcipher.c')
| -rw-r--r-- | crypto/skcipher.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/crypto/skcipher.c b/crypto/skcipher.c index 7221def7b9a7..3b93a74ad124 100644 --- a/crypto/skcipher.c +++ b/crypto/skcipher.c @@ -934,22 +934,17 @@ static void skcipher_free_instance_simple(struct skcipher_instance *inst) struct skcipher_instance *skcipher_alloc_instance_simple( struct crypto_template *tmpl, struct rtattr **tb) { - struct crypto_attr_type *algt; u32 mask; struct skcipher_instance *inst; struct crypto_cipher_spawn *spawn; struct crypto_alg *cipher_alg; int err; - algt = crypto_get_attr_type(tb); - if (IS_ERR(algt)) - return ERR_CAST(algt); - - if ((algt->type ^ CRYPTO_ALG_TYPE_SKCIPHER) & algt->mask) - return ERR_PTR(-EINVAL); - - mask = crypto_requires_off(algt->type, algt->mask, - CRYPTO_ALG_NEED_FALLBACK); + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SKCIPHER, &mask); + if (err) + return ERR_PTR(err); + mask |= crypto_requires_off(crypto_get_attr_type(tb), + CRYPTO_ALG_NEED_FALLBACK); inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); if (!inst) |