ipv6/multipath: remove flag NLM_F_EXCL after the first nexthop
fib6_add_rt2node() will reject the nexthop if this flag is set, so
we perform the check only for the first nexthop.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c42650c..9c7b5d8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2449,6 +2449,12 @@
goto beginning;
}
}
+ /* Because each route is added like a single route we remove
+ * this flag after the first nexthop (if there is a collision,
+ * we have already fail to add the first nexthop:
+ * fib6_add_rt2node() has reject it).
+ */
+ cfg->fc_nlinfo.nlh->nlmsg_flags &= ~NLM_F_EXCL;
rtnh = rtnh_next(rtnh, &remaining);
}