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Date: Sat, 22 Jan 2022 10:24:42 +0800
From: kernel test robot <[email protected]>
To: Bartosz Golaszewski <[email protected]>
Subject: [ammarfaizi2-block:google/android/kernel/common/android-4.19-stable
346/9999] drivers/nvmem/core.c:347:5: warning: no previous prototype for
'nvmem_add_cells'
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Cc: Will McVicker <[email protected]>,
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Hi Bartosz,
FYI, the error/warning still remains.
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable
head: 90a691fca4c2525068d9908ac203e9f09e4e33c0
commit: e96a10625581a499e8a4218ef504f3f53918408b [346/9999] UPSTREAM: nvmem: add support for cell info
config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220122/[email protected]/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# 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
make 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 <[email protected]>
All warnings (new ones prefixed by >>):
>> drivers/nvmem/core.c:347:5: warning: no previous prototype for 'nvmem_add_cells' [-Wmissing-prototypes]
347 | int nvmem_add_cells(struct nvmem_device *nvmem,
| ^~~~~~~~~~~~~~~
vim +/nvmem_add_cells +347 drivers/nvmem/core.c
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 337
b3db17e4b864e46 Andrew Lunn 2018-05-11 338 /**
b3db17e4b864e46 Andrew Lunn 2018-05-11 339 * nvmem_add_cells() - Add cell information to an nvmem device
b3db17e4b864e46 Andrew Lunn 2018-05-11 340 *
b3db17e4b864e46 Andrew Lunn 2018-05-11 341 * @nvmem: nvmem device to add cells to.
b3db17e4b864e46 Andrew Lunn 2018-05-11 342 * @info: nvmem cell info to add to the device
b3db17e4b864e46 Andrew Lunn 2018-05-11 343 * @ncells: number of cells in info
b3db17e4b864e46 Andrew Lunn 2018-05-11 344 *
b3db17e4b864e46 Andrew Lunn 2018-05-11 345 * Return: 0 or negative error code on failure.
b3db17e4b864e46 Andrew Lunn 2018-05-11 346 */
b3db17e4b864e46 Andrew Lunn 2018-05-11 @347 int nvmem_add_cells(struct nvmem_device *nvmem,
b3db17e4b864e46 Andrew Lunn 2018-05-11 348 const struct nvmem_cell_info *info,
b3db17e4b864e46 Andrew Lunn 2018-05-11 349 int ncells)
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 350 {
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 351 struct nvmem_cell **cells;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 352 int i, rval;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 353
b3db17e4b864e46 Andrew Lunn 2018-05-11 354 cells = kcalloc(ncells, sizeof(*cells), GFP_KERNEL);
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 355 if (!cells)
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 356 return -ENOMEM;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 357
b3db17e4b864e46 Andrew Lunn 2018-05-11 358 for (i = 0; i < ncells; i++) {
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 359 cells[i] = kzalloc(sizeof(**cells), GFP_KERNEL);
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 360 if (!cells[i]) {
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 361 rval = -ENOMEM;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 362 goto err;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 363 }
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 364
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 365 rval = nvmem_cell_info_to_nvmem_cell(nvmem, &info[i], cells[i]);
287980e49ffc0f6 Arnd Bergmann 2016-05-27 366 if (rval) {
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 367 kfree(cells[i]);
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 368 goto err;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 369 }
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 370
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 371 nvmem_cell_add(cells[i]);
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 372 }
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 373
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 374 /* remove tmp array */
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 375 kfree(cells);
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 376
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 377 return 0;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 378 err:
dfdf141429f0895 Rasmus Villemoes 2016-02-08 379 while (i--)
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 380 nvmem_cell_drop(cells[i]);
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 381
dfdf141429f0895 Rasmus Villemoes 2016-02-08 382 kfree(cells);
dfdf141429f0895 Rasmus Villemoes 2016-02-08 383
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 384 return rval;
eace75cfdcf7d99 Srinivas Kandagatla 2015-07-27 385 }
b3db17e4b864e46 Andrew Lunn 2018-05-11 386 EXPORT_SYMBOL_GPL(nvmem_add_cells);
eace75cfdcf7d99 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 <[email protected]>
:::::: CC: Greg Kroah-Hartman <[email protected]>
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