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[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 <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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0883ae0e55
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9dd3245a2a
@ -179,10 +179,8 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
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err = ah_mac_digest(ahp, skb, ah->auth_data);
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if (err)
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goto unlock;
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if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
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xfrm_audit_state_icvfail(x, skb, IPPROTO_AH);
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if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
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err = -EBADMSG;
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}
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}
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unlock:
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spin_unlock(&x->lock);
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@ -191,7 +191,6 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
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BUG();
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if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
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xfrm_audit_state_icvfail(x, skb, IPPROTO_ESP);
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err = -EBADMSG;
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goto unlock;
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}
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@ -380,10 +380,8 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
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err = ah_mac_digest(ahp, skb, ah->auth_data);
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if (err)
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goto unlock;
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if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
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xfrm_audit_state_icvfail(x, skb, IPPROTO_AH);
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if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
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err = -EBADMSG;
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}
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}
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unlock:
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spin_unlock(&x->lock);
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@ -186,7 +186,6 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
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BUG();
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if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
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xfrm_audit_state_icvfail(x, skb, IPPROTO_ESP);
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ret = -EBADMSG;
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goto unlock;
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}
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@ -186,8 +186,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
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resume:
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spin_lock(&x->lock);
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if (nexthdr <= 0) {
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if (nexthdr == -EBADMSG)
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if (nexthdr == -EBADMSG) {
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xfrm_audit_state_icvfail(x, skb,
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x->type->proto);
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x->stats.integrity_failed++;
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}
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XFRM_INC_STATS(LINUX_MIB_XFRMINSTATEPROTOERROR);
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goto drop_unlock;
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}
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