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Diffstat (limited to 'net/ipv4/ah4.c')
-rw-r--r--net/ipv4/ah4.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 67a5509..7194eb4 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -91,7 +91,7 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
top_iph->check = 0;
ahp = x->data;
- ah->hdrlen = (XFRM_ALIGN8(sizeof(struct ip_auth_hdr) +
+ ah->hdrlen = (XFRM_ALIGN8(sizeof(struct ip_auth_hdr) +
ahp->icv_trunc_len) >> 2) - 2;
ah->reserved = 0;
@@ -135,9 +135,9 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
ah = (struct ip_auth_hdr*)skb->data;
ahp = x->data;
ah_hlen = (ah->hdrlen + 2) << 2;
-
+
if (ah_hlen != XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_full_len) &&
- ah_hlen != XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_trunc_len))
+ ah_hlen != XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_trunc_len))
goto out;
if (!pskb_may_pull(skb, ah_hlen))
@@ -166,9 +166,9 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
if (ip_clear_mutable_options(iph, &dummy))
goto out;
}
- {
+ {
u8 auth_data[MAX_AH_AUTH_LEN];
-
+
memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
skb_push(skb, ihl);
err = ah_mac_digest(ahp, skb, ah->auth_data);
@@ -237,7 +237,7 @@ static int ah_init_state(struct xfrm_state *x)
ahp->tfm = tfm;
if (crypto_hash_setkey(tfm, ahp->key, ahp->key_len))
goto error;
-
+
/*
* Lookup the algorithm description maintained by xfrm_algo,
* verify crypto transform properties, and store information
@@ -254,16 +254,16 @@ static int ah_init_state(struct xfrm_state *x)
aalg_desc->uinfo.auth.icv_fullbits/8);
goto error;
}
-
+
ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
-
+
BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
-
+
ahp->work_icv = kmalloc(ahp->icv_full_len, GFP_KERNEL);
if (!ahp->work_icv)
goto error;
-
+
x->props.header_len = XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_trunc_len);
if (x->props.mode == XFRM_MODE_TUNNEL)
x->props.header_len += sizeof(struct iphdr);
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