From 12dc5e62b4f93f1d399fd81e35be3f9ea0027712 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Mon, 10 Dec 2007 10:55:21 +0800
Subject: [PATCH] [CRYPTO] authenc: Use RTA_OK to check length

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 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/authenc.c b/crypto/authenc.c
index 80d9d0b18c13c..aa442dea5c43e 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -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;
-- 
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