crypto: algif_skcipher - Add key check exception for cipher_null

This patch adds an exception to the key check so that cipher_null
users may continue to use algif_skcipher without setting a key.

Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2016-01-11 21:29:41 +08:00
parent a1383cd86a
commit 6e8d8ecf43

View File

@ -978,7 +978,7 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
{
struct skcipher_tfm *tfm = private;
if (!tfm->has_key)
if (!tfm->has_key && crypto_skcipher_has_setkey(tfm->skcipher))
return -ENOKEY;
return skcipher_accept_parent_common(private, sk);