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-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/ndisc.c4
2 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 647e6cba237..3513cceba50 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1803,7 +1803,7 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
return idev;
}
-void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
+void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
{
struct prefix_info *pinfo;
__u32 valid_lft;
@@ -1934,7 +1934,7 @@ ok:
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
if (in6_dev->cnf.optimistic_dad &&
- !net->ipv6.devconf_all->forwarding)
+ !net->ipv6.devconf_all->forwarding && sllao)
addr_flags = IFA_F_OPTIMISTIC;
#endif
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 3b1fe4b3f3c..d8f02ef88e5 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1368,7 +1368,9 @@ skip_routeinfo:
for (p = ndopts.nd_opts_pi;
p;
p = ndisc_next_option(p, ndopts.nd_opts_pi_end)) {
- addrconf_prefix_rcv(skb->dev, (u8*)p, (p->nd_opt_len) << 3);
+ addrconf_prefix_rcv(skb->dev, (u8 *)p,
+ (p->nd_opt_len) << 3,
+ ndopts.nd_opts_src_lladdr != NULL);
}
}