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X-IronPort-AV: E=McAfee;i="6200,9189,10244"; a="311022304" X-IronPort-AV: E=Sophos;i="5.88,334,1635231600"; d="scan'208";a="311022304" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2022 07:28:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,334,1635231600"; d="scan'208";a="698437069" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 01 Feb 2022 07:28:50 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nEv5O-000TPg-6S; Tue, 01 Feb 2022 15:28:50 +0000 Date: Tue, 1 Feb 2022 23:28:27 +0800 From: kernel test robot To: Bartosz Golaszewski Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org, Will McVicker , Srinivas Kandagatla , Greg Kroah-Hartman Subject: [ammarfaizi2-block:google/android/kernel/common/android-4.19-stable 343/9999] drivers/nvmem/core.c:347:5: warning: no previous prototype for function 'nvmem_add_cells' Message-ID: <202202012338.LedWi6I7-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable head: b45c5eeda8dea785e3d411380b486a209768f6b2 commit: e96a10625581a499e8a4218ef504f3f53918408b [343/9999] UPSTREAM: nvmem: add support for cell info config: x86_64-randconfig-r026-20220131 (https://download.01.org/0day-ci/archive/20220201/202202012338.LedWi6I7-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6b1e844b69f15bb7dffaf9365cd2b355d2eb7579) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/ammarfaizi2/linux-block/commit/e96a10625581a499e8a4218ef504f3f53918408b git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.19-stable git checkout e96a10625581a499e8a4218ef504f3f53918408b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/nvmem/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/nvmem/core.c:347:5: warning: no previous prototype for function 'nvmem_add_cells' [-Wmissing-prototypes] int nvmem_add_cells(struct nvmem_device *nvmem, ^ drivers/nvmem/core.c:347:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int nvmem_add_cells(struct nvmem_device *nvmem, ^ static 1 warning generated. vim +/nvmem_add_cells +347 drivers/nvmem/core.c eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 337 b3db17e4b864e4 Andrew Lunn 2018-05-11 338 /** b3db17e4b864e4 Andrew Lunn 2018-05-11 339 * nvmem_add_cells() - Add cell information to an nvmem device b3db17e4b864e4 Andrew Lunn 2018-05-11 340 * b3db17e4b864e4 Andrew Lunn 2018-05-11 341 * @nvmem: nvmem device to add cells to. b3db17e4b864e4 Andrew Lunn 2018-05-11 342 * @info: nvmem cell info to add to the device b3db17e4b864e4 Andrew Lunn 2018-05-11 343 * @ncells: number of cells in info b3db17e4b864e4 Andrew Lunn 2018-05-11 344 * b3db17e4b864e4 Andrew Lunn 2018-05-11 345 * Return: 0 or negative error code on failure. b3db17e4b864e4 Andrew Lunn 2018-05-11 346 */ b3db17e4b864e4 Andrew Lunn 2018-05-11 @347 int nvmem_add_cells(struct nvmem_device *nvmem, b3db17e4b864e4 Andrew Lunn 2018-05-11 348 const struct nvmem_cell_info *info, b3db17e4b864e4 Andrew Lunn 2018-05-11 349 int ncells) eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 350 { eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 351 struct nvmem_cell **cells; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 352 int i, rval; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 353 b3db17e4b864e4 Andrew Lunn 2018-05-11 354 cells = kcalloc(ncells, sizeof(*cells), GFP_KERNEL); eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 355 if (!cells) eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 356 return -ENOMEM; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 357 b3db17e4b864e4 Andrew Lunn 2018-05-11 358 for (i = 0; i < ncells; i++) { eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 359 cells[i] = kzalloc(sizeof(**cells), GFP_KERNEL); eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 360 if (!cells[i]) { eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 361 rval = -ENOMEM; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 362 goto err; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 363 } eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 364 eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 365 rval = nvmem_cell_info_to_nvmem_cell(nvmem, &info[i], cells[i]); 287980e49ffc0f Arnd Bergmann 2016-05-27 366 if (rval) { eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 367 kfree(cells[i]); eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 368 goto err; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 369 } eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 370 eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 371 nvmem_cell_add(cells[i]); eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 372 } eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 373 eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 374 /* remove tmp array */ eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 375 kfree(cells); eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 376 eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 377 return 0; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 378 err: dfdf141429f089 Rasmus Villemoes 2016-02-08 379 while (i--) eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 380 nvmem_cell_drop(cells[i]); eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 381 dfdf141429f089 Rasmus Villemoes 2016-02-08 382 kfree(cells); dfdf141429f089 Rasmus Villemoes 2016-02-08 383 eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 384 return rval; eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 385 } b3db17e4b864e4 Andrew Lunn 2018-05-11 386 EXPORT_SYMBOL_GPL(nvmem_add_cells); eace75cfdcf7d9 Srinivas Kandagatla 2015-07-27 387 :::::: The code at line 347 was first introduced by commit :::::: b3db17e4b864e46ad150ebef69c0e0130a1c5fca drivers: nvmem: Export nvmem_add_cells() :::::: TO: Andrew Lunn :::::: CC: Greg Kroah-Hartman --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org