[NETFILTER]: Fix xt_policy address matching

Fix missing inversion in address matching, it was broken during the
conversion to x_tables.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c
index d57a611ae0d3e0a7ef0b85841aef5fd6f0914660..1099cb005fcc3c7dbf4a8ca4795862f2b093b1e0 100644 (file)
--- a/net/netfilter/xt_policy.c
+++ b/net/netfilter/xt_policy.c
@@ -27,9 +27,9 @@ xt_addr_cmp(const union xt_policy_addr *a1, const union xt_policy_addr *m,
 {
        switch (family) {
        case AF_INET:
-               return (a1->a4.s_addr ^ a2->a4.s_addr) & m->a4.s_addr;
+               return !((a1->a4.s_addr ^ a2->a4.s_addr) & m->a4.s_addr);
        case AF_INET6:
-               return ipv6_masked_addr_cmp(&a1->a6, &m->a6, &a2->a6);
+               return !ipv6_masked_addr_cmp(&a1->a6, &m->a6, &a2->a6);
        }
        return 0;
 }
@@ -44,7 +44,7 @@ match_xfrm_state(struct xfrm_state *x, const struct xt_policy_elem *e,
 #define MATCH(x,y)             (!e->match.x || ((e->x == (y)) ^ e->invert.x))
 
        return MATCH_ADDR(saddr, smask, (union xt_policy_addr *)&x->props.saddr) &&
-              MATCH_ADDR(daddr, dmask, (union xt_policy_addr *)&x->id.daddr.a4) &&
+              MATCH_ADDR(daddr, dmask, (union xt_policy_addr *)&x->id.daddr) &&
               MATCH(proto, x->id.proto) &&
               MATCH(mode, x->props.mode) &&
               MATCH(spi, x->id.spi) &&