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-rw-r--r--net/ipv6/ndisc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 3512177deb4d..300865171394 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1277,6 +1277,9 @@ skip_linkparms:
ri->prefix_len == 0)
continue;
#endif
+ if (ri->prefix_len == 0 &&
+ !in6_dev->cnf.accept_ra_defrtr)
+ continue;
if (ri->prefix_len > in6_dev->cnf.accept_ra_rt_info_max_plen)
continue;
rt6_route_rcv(skb->dev, (u8*)p, (p->nd_opt_len) << 3,