From: Stephen Hemminger <stephen@networkplumber.org>
Date: Tue, 11 Jan 2022 17:54:35 +0000 (-0800)
Subject: tipc: fix clang warning about empty format string
X-Git-Tag: v5.18.0~62^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c02488786f6dff1965fb90b971628a315cc6f359;p=thirdparty%2Fiproute2.git

tipc: fix clang warning about empty format string

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

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David Ahern <dsahern@kernel.org>
---

diff --git a/tipc/link.c b/tipc/link.c
index 9994ada2a..53f49c893 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");