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-rw-r--r--net/ipv6/ah6.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 53f46ab6af70..69a2030407b8 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -429,10 +429,6 @@ static int ah6_init_state(struct xfrm_state *x)
if (!x->aalg)
goto error;
- /* null auth can use a zero length key */
- if (x->aalg->alg_key_len > 512)
- goto error;
-
if (x->encap)
goto error;
@@ -440,14 +436,13 @@ static int ah6_init_state(struct xfrm_state *x)
if (ahp == NULL)
return -ENOMEM;
- ahp->key = x->aalg->alg_key;
- ahp->key_len = (x->aalg->alg_key_len+7)/8;
tfm = crypto_alloc_hash(x->aalg->alg_name, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm))
goto error;
ahp->tfm = tfm;
- if (crypto_hash_setkey(tfm, ahp->key, ahp->key_len))
+ if (crypto_hash_setkey(tfm, x->aalg->alg_key,
+ (x->aalg->alg_key_len + 7) / 8))
goto error;
/*