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-rw-r--r--net/ipv6/ndisc.c5
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",