From 0f15d36453bbd02d404445dace49f4ae072f44e5 Mon Sep 17 00:00:00 2001
From: Allan Stephens <allan.stephens@windriver.com>
Date: Wed, 4 Jun 2008 17:37:59 -0700
Subject: [PATCH] tipc: Prevent display of name table types with no
publications
This patch adds a check to prevent TIPC's name table display code
from listing a name type entry if it exists only to hold subscription
info, rather than published names.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/tipc/name_table.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 892373e498e4..4455f13cfaf6 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -905,6 +905,9 @@ static void nameseq_list(struct name_seq *seq, struct print_buf *buf, u32 depth,
struct sub_seq *sseq;
char typearea[11];
+ if (seq->first_free == 0)
+ return;
+
sprintf(typearea, "%-10u", seq->type);
if (depth == 1) {