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authorHeiko Carstens <hca@linux.ibm.com>2021-11-18 19:06:06 +0300
committerDavid S. Miller <davem@davemloft.net>2021-11-19 14:12:30 +0300
commitdddbf91387a04a03a8e071cb4857403df219382e (patch)
tree4cd0caef95ec2707b46e1d078a98536dab78a5d5 /drivers/s390
parent9961d6d50b7f53ab75049ebf3bea1ff560014bed (diff)
downloadlinux-dddbf91387a04a03a8e071cb4857403df219382e.tar.xz
s390/ctcm: add __printf format attribute to ctcm_dbf_longtext
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 <jwi@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/ctcm_dbug.h1
1 files changed, 1 insertions, 0 deletions
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)