1 files changed, 5 insertions, 0 deletions

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 13d3c2beb93e..12fff091e043 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1078,6 +1078,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
         struct ndisc_options ndopts;
         int optlen;
         unsigned int pref = 0;
+        __u32 old_if_flags;
 
         __u8 *opt = (__u8 *)(ra_msg + 1);
 
@@ -1148,6 +1149,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
          * Remember the managed/otherconf flags from most recently
          * received RA message (RFC 2462) -- yoshfuji
          */
+        old_if_flags = in6_dev->if_flags;
         in6_dev->if_flags = (in6_dev->if_flags & ~(IF_RA_MANAGED |
                                 IF_RA_OTHERCONF)) |
                                 (ra_msg->icmph.icmp6_addrconf_managed ?
@@ -1155,6 +1157,9 @@ static void ndisc_router_discovery(struct sk_buff *skb)
                                 (ra_msg->icmph.icmp6_addrconf_other ?
                                         IF_RA_OTHERCONF : 0);
 
+        if (old_if_flags != in6_dev->if_flags)
+                inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
+
         if (!in6_dev->cnf.accept_ra_defrtr) {
                 ND_PRINTK(2, info,
                           "RA: %s, defrtr is false for dev: %s\n",