[IPSEC]: Move all calls to xfrm_audit_state_icvfail to xfrm_input

[Herbert Xu]

Hi Dave:

While refreshing the async IPsec patches I noticed some fresh code
duplication.

[IPSEC]: Move all calls to xfrm_audit_state_icvfail to xfrm_input
    
Let's nip the code duplication in the bud :)
    
Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index ec8de0a..d76803a 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -179,10 +179,8 @@ static int ah_input(struct xfrm_state *x, struct sk_buff 
*skb)
                err = ah_mac_digest(ahp, skb, ah->auth_data);
                if (err)
                        goto unlock;
-               if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
-                       xfrm_audit_state_icvfail(x, skb, IPPROTO_AH);
+               if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
                        err = -EBADMSG;
-               }
        }
 unlock:
        spin_unlock(&x->lock);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index b334c76..28ea5c7 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -191,7 +191,6 @@ static int esp_input(struct xfrm_state *x, struct sk_buff 
*skb)
                        BUG();
 
                if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
-                       xfrm_audit_state_icvfail(x, skb, IPPROTO_ESP);
                        err = -EBADMSG;
                        goto unlock;
                }
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 2d32772..fb0d07a 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -380,10 +380,8 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff 
*skb)
                err = ah_mac_digest(ahp, skb, ah->auth_data);
                if (err)
                        goto unlock;
-               if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
-                       xfrm_audit_state_icvfail(x, skb, IPPROTO_AH);
+               if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
                        err = -EBADMSG;
-               }
        }
 unlock:
        spin_unlock(&x->lock);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index e10f10b..5bd5292 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -186,7 +186,6 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff 
*skb)
                        BUG();
 
                if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
-                       xfrm_audit_state_icvfail(x, skb, IPPROTO_ESP);
                        ret = -EBADMSG;
                        goto unlock;
                }
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 1b250f3..039e701 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -186,8 +186,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 
spi, int encap_type)
 resume:
                spin_lock(&x->lock);
                if (nexthdr <= 0) {
-                       if (nexthdr == -EBADMSG)
+                       if (nexthdr == -EBADMSG) {
+                               xfrm_audit_state_icvfail(x, skb,
+                                                        x->type->proto);
                                x->stats.integrity_failed++;
+                       }
                        XFRM_INC_STATS(LINUX_MIB_XFRMINSTATEPROTOERROR);
                        goto drop_unlock;
                }

Thanks,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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