From: Stephen Hemminger <stephen@networkplumber.org>
Date: Tue, 11 Jan 2022 17:54:28 +0000 (-0800)
Subject: tc: add format attribute to tc_print_rate
X-Git-Tag: v5.18.0~62^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=343c4f52b698d284bb95f6a9f215e0cbfbcc2f97;p=thirdparty%2Fiproute2.git

tc: add format attribute to tc_print_rate

This catches future errors and silences warning from Clang.

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

diff --git a/tc/tc_util.c b/tc/tc_util.c
index 48065897c..6d5eb7548 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -247,7 +247,8 @@ int get_percent_rate64(__u64 *rate, const char *str, const char *dev)
 	return get_rate64(rate, r_str);
 }
 
-void tc_print_rate(enum output_type t, const char *key, const char *fmt,
+void __attribute__((format(printf, 3, 0)))
+tc_print_rate(enum output_type t, const char *key, const char *fmt,
 		   unsigned long long rate)
 {
 	print_rate(use_iec, t, key, fmt, rate);