From: Heiko Carstens <hca@xxxxxxxxxxxxx>
Allow the compiler to recognize and check format strings and parameters.
As reported with allmodconfig and W=1:
drivers/s390/net/qeth_core_main.c: In function ‘qeth_dbf_longtext’:
drivers/s390/net/qeth_core_main.c:6190:9: error: function ‘qeth_dbf_longtext’ might be a candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format]
6190 | vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
| ^~~~~~~~~
Acked-by: Julian Wiedmann <jwi@xxxxxxxxxxxxx>
Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
Signed-off-by: Julian Wiedmann <jwi@xxxxxxxxxxxxx>
---
drivers/s390/net/qeth_core.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 09e1d2da3e48..20dca4c0384a 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -1084,6 +1084,7 @@ int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
int qeth_siocdevprivate(struct net_device *dev, struct ifreq *rq,
void __user *data, int cmd);
+__printf(3, 4)
void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
--
2.25.1
