[IPV4]: Fix single-entry /proc/net/fib_trie output.

 
When main table is just a single leaf this gets printed as belonging to the 
local table in /proc/net/fib_trie. A fix is below.

Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 6 deletions

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 13307c04d5a1..1e589b91605e 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2290,16 +2290,17 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v)
         if (v == SEQ_START_TOKEN)
                 return 0;
 
+        if (!NODE_PARENT(n)) {
+                if (iter->trie == trie_local)
+                        seq_puts(seq, "<local>:\n");
+                else
+                        seq_puts(seq, "<main>:\n");
+        }
+
         if (IS_TNODE(n)) {
                 struct tnode *tn = (struct tnode *) n;
                 __be32 prf = htonl(MASK_PFX(tn->key, tn->pos));
 
-                if (!NODE_PARENT(n)) {
-                        if (iter->trie == trie_local)
-                                seq_puts(seq, "<local>:\n");
-                        else
-                                seq_puts(seq, "<main>:\n");
-                } 
                 seq_indent(seq, iter->depth-1);
                 seq_printf(seq, "  +-- %d.%d.%d.%d/%d %d %d %d\n",
                            NIPQUAD(prf), tn->pos, tn->bits, tn->full_children,