2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------


From: Ulrich Weber <[email protected]>

[ Upstream commit 94e2238969e89f5112297ad2a00103089dde7e8f ]

dont compare ECN and IP Precedence bits in find_bundle
and use ECN bit stripped TOS value in xfrm_lookup

Signed-off-by: Ulrich Weber <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 net/ipv4/xfrm4_policy.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -69,7 +69,7 @@ __xfrm4_find_bundle(struct flowi *fl, st
                if (xdst->u.rt.fl.oif == fl->oif &&     /*XXX*/
                    xdst->u.rt.fl.fl4_dst == fl->fl4_dst &&
                    xdst->u.rt.fl.fl4_src == fl->fl4_src &&
-                   xdst->u.rt.fl.fl4_tos == fl->fl4_tos &&
+                    !((xdst->u.rt.fl.fl4_tos ^ fl->fl4_tos) & IPTOS_RT_MASK) &&
                    xfrm_bundle_ok(policy, xdst, fl, AF_INET, 0)) {
                        dst_clone(dst);
                        break;
@@ -81,7 +81,7 @@ __xfrm4_find_bundle(struct flowi *fl, st
 
 static int xfrm4_get_tos(struct flowi *fl)
 {
-       return fl->fl4_tos;
+       return IPTOS_RT_MASK & fl->fl4_tos; /* Strip ECN bits */
 }
 
 static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,


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