diff options
Diffstat (limited to 'crypto/algapi.c')
| -rw-r--r-- | crypto/algapi.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index c91530021e9..f7d2185b2c8 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -377,7 +377,8 @@ void crypto_drop_spawn(struct crypto_spawn *spawn) } EXPORT_SYMBOL_GPL(crypto_drop_spawn); -struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn) +struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type, + u32 mask) { struct crypto_alg *alg; struct crypto_alg *alg2; @@ -396,10 +397,18 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn) return ERR_PTR(-EAGAIN); } - tfm = __crypto_alloc_tfm(alg, 0); + tfm = ERR_PTR(-EINVAL); + if (unlikely((alg->cra_flags ^ type) & mask)) + goto out_put_alg; + + tfm = __crypto_alloc_tfm(alg, type, mask); if (IS_ERR(tfm)) - crypto_mod_put(alg); + goto out_put_alg; + + return tfm; +out_put_alg: + crypto_mod_put(alg); return tfm; } EXPORT_SYMBOL_GPL(crypto_spawn_tfm); |