Upstream-Status: Pending

Subject: ospf6d: check ospf6 before using it in ospf6_clean

The ospf6 variable might be 'NULL' causing segment fault error.
Check it before referencing it.

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
---
 ospf6d/ospf6d.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ospf6d/ospf6d.c b/ospf6d/ospf6d.c
index 3cdd5c1..e3bf1af 100644
--- a/ospf6d/ospf6d.c
+++ b/ospf6d/ospf6d.c
@@ -1892,6 +1892,8 @@ ospf6_init (void)
 void
 ospf6_clean (void)
 {
+  if (ospf6 == NULL)
+    return;
   if (ospf6->route_table)
     ospf6_route_remove_all (ospf6->route_table);
   if (ospf6->brouter_table)
-- 
1.9.1