[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>
diff --git a/net/netfilter/xt_iprange.c b/net/netfilter/xt_iprange.c
index 4f984dc..500528d 100644
--- a/net/netfilter/xt_iprange.c
+++ b/net/netfilter/xt_iprange.c
@@ -102,7 +102,7 @@
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;
}
