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[NETFILTER]: xt_iprange: fix subtraction-based comparison 

The host address parts need to be converted to host-endian first
before arithmetic makes any sense on them.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jan Engelhardt 2008-02-19 17:20:06 -08:00 committed by David S. Miller
parent 7d9904c260
commit 27ecb1ff0a
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/xt_iprange.c
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@ -102,7 +102,7 @@ iprange_ipv6_sub(const struct in6_addr *a, const struct in6_addr *b)
int r;
for (i = 0; i < 4; ++i) {
r = (__force u32)a->s6_addr32[i] - (__force u32)b->s6_addr32[i];
r = ntohl(a->s6_addr32[i]) - ntohl(b->s6_addr32[i]);
if (r != 0)
return r;
}