crypto: algif_skcipher - Add key check exception for cipher_null

commit 6e8d8ecf438792ecf7a3207488fb4eebc4edb040 upstream.

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>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Herbert Xu
2016-10-27 17:29:41 +03:00
committed by Willy Tarreau
parent 16d4044862
commit b5b7b2f899
+1 -1
View File
@@ -759,7 +759,7 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
{
struct skcipher_tfm *tfm = private;
if (!tfm->has_key)
if (!tfm->has_key && crypto_ablkcipher_has_setkey(tfm->skcipher))
return -ENOKEY;
return skcipher_accept_parent_common(private, sk);