route: Set orig_output when redirecting to lwt on locally generated t…

…raffic orig_output for IPv4 was only set for dsts which hit an input route. Set it consistently for locally generated traffic as well to allow lwt to continue the dst_output() path as configured by the nexthop. Fixes: 2536862 ("lwt: Add support to redirect dst.input") Signed-off-by: Thomas Graf <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ammarfaizi2 · Dec 2, 2016 · 11b3d9c · 11b3d9c
1 parent ee3d7c6
commit 11b3d9c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
@@ -2155,8 +2155,10 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
 	}
 
 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0);
-	if (lwtunnel_output_redirect(rth->dst.lwtstate))
+	if (lwtunnel_output_redirect(rth->dst.lwtstate)) {
+		rth->dst.lwtstate->orig_output = rth->dst.output;
 		rth->dst.output = lwtunnel_output;
+	}
 
 	return rth;
 }