[XFRM]: Add XFRM_MODE_xxx for future use.

Transformation mode is used as either IPsec transport or tunnel.
It is required to add two more items, route optimization and inbound trigger
for Mobile IPv6.
Based on MIPL2 kernel patch.

This patch was also written by: Ville Nuorvala <vnuorval@tcs.hut.fi>

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index 81e1751c966e..97b0c7589711 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -42,7 +42,7 @@ __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
         x->props.saddr = tmpl->saddr;
         if (x->props.saddr.a4 == 0)
                 x->props.saddr.a4 = saddr->a4;
-        if (tmpl->mode && x->props.saddr.a4 == 0) {
+        if (tmpl->mode == XFRM_MODE_TUNNEL && x->props.saddr.a4 == 0) {
                 struct rtable *rt;
                 struct flowi fl_tunnel = {
                         .nl_u = {