From dddbf91387a04a03a8e071cb4857403df219382e Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Thu, 18 Nov 2021 17:06:06 +0100 Subject: s390/ctcm: add __printf format attribute to ctcm_dbf_longtext MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow the compiler to recognize and check format strings and parameters. As reported with allmodconfig and W=1: drivers/s390/net/ctcm_dbug.c: In function ‘ctcm_dbf_longtext’: drivers/s390/net/ctcm_dbug.c:73:9: error: function ‘ctcm_dbf_longtext’ might be a candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format] 73 | vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args); | ^~~~~~~~~ Acked-by: Julian Wiedmann Signed-off-by: Heiko Carstens Signed-off-by: Karsten Graul Signed-off-by: David S. Miller --- drivers/s390/net/ctcm_dbug.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/s390') diff --git a/drivers/s390/net/ctcm_dbug.h b/drivers/s390/net/ctcm_dbug.h index 675575ef162e..cce11daf3245 100644 --- a/drivers/s390/net/ctcm_dbug.h +++ b/drivers/s390/net/ctcm_dbug.h @@ -65,6 +65,7 @@ extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS]; int ctcm_register_dbf_views(void); void ctcm_unregister_dbf_views(void); +__printf(3, 4) void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *text, ...); static inline const char *strtail(const char *s, int n) -- cgit v1.2.3