Subject: [PATCH v3 iproute2-next 06/11] ipl2tp: fix clang warning

From: Stephen Hemminger <[email-masked]>
Date: Mon, 17 Jan 2022 09:50:14 -0800

Clang complains about passing non-format string.

Signed-off-by: Stephen Hemminger <[email-masked]>
---
 ip/ipl2tp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ip/ipl2tp.c b/ip/ipl2tp.c
index 77bc3249c7ec..569723581ec2 100644
--- a/ip/ipl2tp.c
+++ b/ip/ipl2tp.c
@@ -191,8 +191,9 @@ static int delete_session(struct l2tp_parm *p)
 	return 0;
 }
 
-static void print_cookie(const char *name, const char *fmt,
-			 const uint8_t *cookie, int len)
+static void __attribute__((format(printf, 2, 0)))
+print_cookie(const char *name, const char *fmt,
+	     const uint8_t *cookie, int len)
 {
 	char abuf[32];
 	size_t n;
-- 
2.30.2