Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc

[linux-2.6-omap-h63xx.git] / net / ipv4 / netfilter / nf_nat_proto_tcp.c

diff --git a/net/ipv4/netfilter/nf_nat_proto_tcp.c b/net/ipv4/netfilter/nf_nat_proto_tcp.c
index 7e26a7e9bee15ea2e3445f27b70f4032bfceed20..439164c7a62664a0c632ebfa9d3cd0ad4bdf26d2 100644 (file)
--- a/net/ipv4/netfilter/nf_nat_proto_tcp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_tcp.c
@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 #include <linux/init.h>
+#include <linux/random.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
 
@@ -75,6 +76,9 @@ tcp_unique_tuple(struct nf_conntrack_tuple *tuple,
                range_size = ntohs(range->max.tcp.port) - min + 1;
        }
 
+       if (range->flags & IP_NAT_RANGE_PROTO_RANDOM)
+               port =  net_random();
+
        for (i = 0; i < range_size; i++, port++) {
                *portptr = htons(min + port % range_size);
                if (!nf_nat_used_tuple(tuple, ct))