* [ardb:efi-libstub-native-utf16 9/9] drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for 'efi_snprintf'
@ 2026-09-07 21:48 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-09-07 21:48 UTC (permalink / raw)
To: Ard Biesheuvel; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git efi-libstub-native-utf16
head: c23f326a96b5293512720f389c597f967132c334
commit: 7046b0d50cf479b4122a5b0ab2f03ac07cd0de22 [9/9] efi/libstub: Add efi_snprintf() to construct wide strings
config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20260908/202609080541.1c9kYF5X-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260908/202609080541.1c9kYF5X-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609080541.1c9kYF5X-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/firmware/efi/libstub/vsprintf.c:274:5: warning: no previous prototype for 'efi_vsnprintf' [-Wmissing-prototypes]
274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char *fmt, va_list ap,
| ^~~~~~~~~~~~~
>> drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for 'efi_snprintf' [-Wmissing-prototypes]
511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
| ^~~~~~~~~~~~
vim +/efi_snprintf +511 drivers/firmware/efi/libstub/vsprintf.c
510
> 511 int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-09-07 21:48 [ardb:efi-libstub-native-utf16 9/9] drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for 'efi_snprintf' kernel test robot
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