Subject: [PATCH v4 iproute2-next 08/11] tipc: fix clang warning about empty format string

From: Stephen Hemminger <[email-masked]>
Date: Thu, 20 Jan 2022 13:11:50 -0800

When calling json_print with json only use a NULL instead of
empty string.

Signed-off-by: Stephen Hemminger <[email-masked]>
---
 tipc/link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tipc/link.c b/tipc/link.c
index 9994ada2a367..53f49c8937db 100644
--- a/tipc/link.c
+++ b/tipc/link.c
@@ -332,7 +332,7 @@ static int _show_link_stat(const char *name, struct nlattr *attrs[],
 	open_json_object(NULL);
 
 	print_string(PRINT_ANY, "link", "Link <%s>\n", name);
-	print_string(PRINT_JSON, "state", "", NULL);
+	print_string(PRINT_JSON, "state", NULL, NULL);
 	open_json_array(PRINT_JSON, NULL);
 	if (attrs[TIPC_NLA_LINK_ACTIVE])
 		print_string(PRINT_ANY, NULL, "  %s", "ACTIVE");
-- 
2.30.2