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| author | Jonathan Corbet <corbet@lwn.net> | 2016-12-27 12:53:44 -0700 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2016-12-27 12:53:44 -0700 |
| commit | 1bd9a34ffdd5f22ef74ed68b5d8b6fb4b781d58c (patch) | |
| tree | 3f9b77b397ec915c0eb026a9b6425e82fa843e67 /crypto/mcryptd.c | |
| parent | 239a79b2f922a0614334cef0aab2f8a23a4e54f9 (diff) | |
| parent | 46cc85f2e4aef88c237a0407cf5d163619a4d565 (diff) | |
| download | linux-crypto-1bd9a34ffdd5f22ef74ed68b5d8b6fb4b781d58c.tar.gz linux-crypto-1bd9a34ffdd5f22ef74ed68b5d8b6fb4b781d58c.zip | |
Merge tag 'v4.10-rc1' into docs-next
Linux 4.10-rc1
Diffstat (limited to 'crypto/mcryptd.c')
| -rw-r--r-- | crypto/mcryptd.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c index 94ee44ac..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)) |