diff options
Diffstat (limited to 'crypto/mcryptd.c')
| -rw-r--r-- | crypto/mcryptd.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c index 86fb59b1..c207458d 100644 --- a/crypto/mcryptd.c +++ b/crypto/mcryptd.c @@ -254,18 +254,22 @@ out_free_inst: goto out; } -static inline void mcryptd_check_internal(struct rtattr **tb, u32 *type, +static inline bool mcryptd_check_internal(struct rtattr **tb, u32 *type, u32 *mask) { struct crypto_attr_type *algt; algt = crypto_get_attr_type(tb); if (IS_ERR(algt)) - return; - if ((algt->type & CRYPTO_ALG_INTERNAL)) - *type |= CRYPTO_ALG_INTERNAL; - if ((algt->mask & CRYPTO_ALG_INTERNAL)) - *mask |= CRYPTO_ALG_INTERNAL; + return false; + + *type |= algt->type & CRYPTO_ALG_INTERNAL; + *mask |= algt->mask & CRYPTO_ALG_INTERNAL; + + if (*type & *mask & CRYPTO_ALG_INTERNAL) + return true; + else + return false; } static int mcryptd_hash_init_tfm(struct crypto_tfm *tfm) @@ -492,7 +496,8 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, u32 mask = 0; int err; - mcryptd_check_internal(tb, &type, &mask); + if (!mcryptd_check_internal(tb, &type, &mask)) + return -EINVAL; halg = ahash_attr_alg(tb[1], type, mask); if (IS_ERR(halg)) @@ -612,12 +617,7 @@ EXPORT_SYMBOL_GPL(mcryptd_alloc_ahash); int ahash_mcryptd_digest(struct ahash_request *desc) { - int err; - - err = crypto_ahash_init(desc) ?: - ahash_mcryptd_finup(desc); - - return err; + return crypto_ahash_init(desc) ?: ahash_mcryptd_finup(desc); } int ahash_mcryptd_update(struct ahash_request *desc) |