Hi LABBE, [auto build test ERROR on: char-misc/char-misc-next] [also build test ERROR on: v4.3 next-20151105] url: https://github.com/0day-ci/linux/commits/LABBE-Corentin/char-nvram-set-array-of-const-as-const/20151105-174316 config: x86_64-lkp (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/char/nvram.c: In function 'nvram_init': >> drivers/char/nvram.c:457:3: error: implicit declaration of function 'pri_err' [-Werror=implicit-function-declaration] pri_err("nvram: can't create /proc/driver/nvram\n"); ^ cc1: some warnings being treated as errors vim +/pri_err +457 drivers/char/nvram.c 451 if (ret) { 452 pr_err("nvram: can't misc_register on minor=%d\n", NVRAM_MINOR); 453 goto out; 454 } 455 ret = nvram_add_proc_fs(); 456 if (ret) { > 457 pri_err("nvram: can't create /proc/driver/nvram\n"); 458 goto outmisc; 459 } 460 ret = 0; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation