ipv6: include NLM_F_REPLACE in route replace notifications

This patch adds NLM_F_REPLACE flag to ipv6 route replace notifications.
This makes nlm_flags in ipv6 replace notifications consistent
with ipv4.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 6 insertions, 5 deletions

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 8a9ec01f4d01..7d2e0023c72d 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -851,7 +851,7 @@ add:
                 *ins = rt;
                 rt->rt6i_node = fn;
                 atomic_inc(&rt->rt6i_ref);
-                inet6_rt_notify(RTM_NEWROUTE, rt, info);
+                inet6_rt_notify(RTM_NEWROUTE, rt, info, 0);
                 info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
 
                 if (!(fn->fn_flags & RTN_RTINFO)) {
@@ -877,7 +877,7 @@ add:
                 rt->rt6i_node = fn;
                 rt->dst.rt6_next = iter->dst.rt6_next;
                 atomic_inc(&rt->rt6i_ref);
-                inet6_rt_notify(RTM_NEWROUTE, rt, info);
+                inet6_rt_notify(RTM_NEWROUTE, rt, info, NLM_F_REPLACE);
                 if (!(fn->fn_flags & RTN_RTINFO)) {
                         info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
                         fn->fn_flags |= RTN_RTINFO;
@@ -1422,7 +1422,7 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
 
         fib6_purge_rt(rt, fn, net);
 
-        inet6_rt_notify(RTM_DELROUTE, rt, info);
+        inet6_rt_notify(RTM_DELROUTE, rt, info, 0);
         rt6_release(rt);
 }
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 3d3c1b294725..d5fa50297f80 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3304,7 +3304,8 @@ errout:
         return err;
 }
 
-void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
+void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info,
+                     unsigned int nlm_flags)
 {
         struct sk_buff *skb;
         struct net *net = info->nl_net;
@@ -3319,7 +3320,7 @@ void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
                 goto errout;
 
         err = rt6_fill_node(net, skb, rt, NULL, NULL, 0,
-                                event, info->portid, seq, 0, 0, 0);
+                                event, info->portid, seq, 0, 0, nlm_flags);
         if (err < 0) {
                 /* -EMSGSIZE implies BUG in rt6_nlmsg_size() */
                 WARN_ON(err == -EMSGSIZE);