[CRYPTO] authenc: Use RTA_OK to check length
authorHerbert Xu <herbert@gondor.apana.org.au>
Mon, 10 Dec 2007 02:55:21 +0000 (10:55 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 10 Jan 2008 21:16:38 +0000 (08:16 +1100)
This patch changes setkey to use RTA_OK to check the validity of the
setkey request.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto/authenc.c

index 80d9d0b18c13c1dbbe3ba4f85c08d2b332e24c01..aa442dea5c43ed92f591e14868d66ba7c1b3e1e6 100644 (file)
@@ -44,7 +44,7 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
        struct crypto_authenc_key_param *param;
        int err = -EINVAL;
 
-       if (keylen < sizeof(*rta))
+       if (!RTA_OK(rta, keylen))
                goto badkey;
        if (rta->rta_type != CRYPTO_AUTHENC_KEYA_PARAM)
                goto badkey;