diff options
Diffstat (limited to 'net/ipv6/ndisc.c')
| -rw-r--r-- | net/ipv6/ndisc.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index c467c6419893..4b098521a44c 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1391,12 +1391,6 @@ skip_defrtr: } } - /* - * Send a notify if RA changed managed/otherconf flags or timer settings - */ - if (send_ifinfo_notify) - inet6_ifinfo_notify(RTM_NEWLINK, in6_dev); - skip_linkparms: /* @@ -1496,6 +1490,11 @@ skip_routeinfo: memcpy(&n, ((u8 *)(ndopts.nd_opts_mtu+1))+2, sizeof(mtu)); mtu = ntohl(n); + if (in6_dev->ra_mtu != mtu) { + in6_dev->ra_mtu = mtu; + send_ifinfo_notify = true; + } + if (mtu < IPV6_MIN_MTU || mtu > skb->dev->mtu) { ND_PRINTK(2, warn, "RA: invalid mtu: %d\n", mtu); } else if (in6_dev->cnf.mtu6 != mtu) { @@ -1519,6 +1518,12 @@ skip_routeinfo: ND_PRINTK(2, warn, "RA: invalid RA options\n"); } out: + /* Send a notify if RA changed managed/otherconf flags or + * timer settings or ra_mtu value + */ + if (send_ifinfo_notify) + inet6_ifinfo_notify(RTM_NEWLINK, in6_dev); + fib6_info_release(rt); if (neigh) neigh_release(neigh); |