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X-CSE-ConnectionGUID: gPUY21ZFTm2Nvmv9LCrd4g== X-CSE-MsgGUID: ThUXpT6kRHOlWjOqneNymw== X-IronPort-AV: E=McAfee;i="6800,10657,11900"; a="100698983" X-IronPort-AV: E=Sophos;i="6.25,270,1779174000"; d="scan'208";a="100698983" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2026 21:17:15 -0700 X-CSE-ConnectionGUID: U/yI+4E6Rt68W1njvlxAow== X-CSE-MsgGUID: tfoU2fOqSO2hs4uFz7KxKQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,270,1779174000"; d="scan'208";a="275330549" Received: from igk-lkp-server01.igk.intel.com (HELO cc074f2a4298) ([10.211.93.152]) by orviesa005.jf.intel.com with ESMTP; 08 Sep 2026 21:17:14 -0700 Received: from kbuild by cc074f2a4298 with local (Exim 4.98.2) (envelope-from ) id 1x49kF-0000000013b-1rP7; Wed, 09 Sep 2026 04:17:11 +0000 Date: Wed, 09 Sep 2026 06:16:51 +0200 From: kernel test robot To: Ard Biesheuvel Cc: oe-kbuild-all@lists.linux.dev, 0day robot Subject: drivers/firmware/efi/libstub/vsprintf.c:251:5: warning: no previous prototype for function 'efi_vsnprintf' Message-ID: <202609090621.8xNKJOFX-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/intel-lab-lkp/linux/commits/Ard-Biesheuvel/x86-boot-Drop-pointless-re-implementation-of-panic/20260906-150819 head: c551ec0edb0b057c415d5530905c288523a9bde8 commit: 00893af88a10aeb0548fcd863ad11e686a94957d efi/libstub: Output UTF-16 directly from vsnprintf() date: 2 days ago config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20260909/202609090621.8xNKJOFX-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260909/202609090621.8xNKJOFX-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202609090621.8xNKJOFX-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/firmware/efi/libstub/vsprintf.c:251:5: warning: no previous prototype for function 'efi_vsnprintf' [-Wmissing-prototypes] 251 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char *fmt, va_list ap, | ^ drivers/firmware/efi/libstub/vsprintf.c:251:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 251 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char *fmt, va_list ap, | ^ | static 1 warning generated. vim +/efi_vsnprintf +251 drivers/firmware/efi/libstub/vsprintf.c 250 > 251 int efi_vsnprintf(efi_char16_t *buf, size_t size, const char *fmt, va_list ap, -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki