[RTNETLINK]: Fix sending netlink message when replace route.

When you replace route via ip r r command the netlink multicast message is
not send.  This patch corrects it.  NL message is sent with NLM_F_REPLACE
flag.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=8320

Signed-off-by: Milan Kocian <milon@wq.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 9be7da7c3a8f..30e332ade61b 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1226,6 +1226,8 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
                         fib_release_info(fi_drop);
                         if (state & FA_S_ACCESSED)
                                 rt_cache_flush(-1);
+                        rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,
+                                tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE);
 
                         goto succeeded;
                 }
@@ -1278,7 +1280,7 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
 
         rt_cache_flush(-1);
         rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, tb->tb_id,
-                  &cfg->fc_nlinfo);
+                  &cfg->fc_nlinfo, 0);
 succeeded:
         return 0;
 
@@ -1624,7 +1626,7 @@ static int fn_trie_delete(struct fib_table *tb, struct fib_config *cfg)
 
         fa = fa_to_delete;
         rtmsg_fib(RTM_DELROUTE, htonl(key), fa, plen, tb->tb_id,
-                  &cfg->fc_nlinfo);
+                  &cfg->fc_nlinfo, 0);
 
         l = fib_find_node(t, key);
         li = find_leaf_info(l, plen);