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[net-next,7/9] s390/qeth: add __printf format attribute to qeth_dbf_longtext

Message ID 20211025095658.3527635-8-jwi@linux.ibm.com (mailing list archive)
State Accepted
Commit 79140e22d245aa3d06e2991f397c187b3ab07df3
Delegated to: Netdev Maintainers
Headers show
Series s390/qeth: updates 2021-10-25 | expand

Checks

Context Check Description
netdev/cover_letter success Series has a cover letter
netdev/fixes_present success Fixes tag not required for -next series
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 3 maintainers not CCed: gor@linux.ibm.com borntraeger@de.ibm.com agordeev@linux.ibm.com
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 12 this patch: 12
netdev/verify_fixes success No Fixes tag
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success No static functions without inline keyword in header files

Commit Message

Julian Wiedmann Oct. 25, 2021, 9:56 a.m. UTC 
From: Heiko Carstens <hca@linux.ibm.com>

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@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
---
 drivers/s390/net/qeth_core.h | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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);