[PATCH iproute2 13/22] tc/class: make filter variables static

[Stephen Hemminger]

Only used in this file.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 tc/tc_class.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tc/tc_class.c b/tc/tc_class.c
index 7e4e17fd7f39..7ac700d7ab31 100644
--- a/tc/tc_class.c
+++ b/tc/tc_class.c
@@ -153,9 +153,9 @@ static int tc_class_modify(int cmd, unsigned int flags, int 
argc, char **argv)
        return 0;
 }
 
-int filter_ifindex;
-__u32 filter_qdisc;
-__u32 filter_classid;
+static int filter_ifindex;
+static __u32 filter_qdisc;
+static __u32 filter_classid;
 
 static void graph_node_add(__u32 parent_id, __u32 id, void *data,
                int len)
-- 
2.17.1