diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2021-11-18 19:06:06 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-19 14:12:30 +0300 |
| commit | dddbf91387a04a03a8e071cb4857403df219382e (patch) | |
| tree | 4cd0caef95ec2707b46e1d078a98536dab78a5d5 /drivers/s390 | |
| parent | 9961d6d50b7f53ab75049ebf3bea1ff560014bed (diff) | |
| download | linux-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.h | 1 |
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) |