[if your patch is applied to the wrong git tree, please drop us a note to help improving the system] Hi Markus, [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on v4.4-rc6 next-20151223] url: https://github.com/0day-ci/linux/commits/SF-Markus-Elfring/i2c-core-One-function-call-less-in-acpi_i2c_space_handler-after-error-detection/20151226-143820 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux i2c/for-next config: x86_64-randconfig-x010-12251849 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/i2c/i2c-core.c: In function 'acpi_i2c_space_handler': >> drivers/i2c/i2c-core.c:404:3: error: label 'err' used but not defined goto err; ^ vim +/err +404 drivers/i2c/i2c-core.c 17f4a5c4 Wolfram Sang 2014-09-22 398 } 17f4a5c4 Wolfram Sang 2014-09-22 399 break; 17f4a5c4 Wolfram Sang 2014-09-22 400 17f4a5c4 Wolfram Sang 2014-09-22 401 default: 17f4a5c4 Wolfram Sang 2014-09-22 402 pr_info("protocol(0x%02x) is not supported.\n", accessor_type); 17f4a5c4 Wolfram Sang 2014-09-22 403 ret = AE_BAD_PARAMETER; 17f4a5c4 Wolfram Sang 2014-09-22 @404 goto err; 17f4a5c4 Wolfram Sang 2014-09-22 405 } 17f4a5c4 Wolfram Sang 2014-09-22 406 17f4a5c4 Wolfram Sang 2014-09-22 407 gsb->status = status; :::::: The code at line 404 was first introduced by commit :::::: 17f4a5c47f28de9ea59182f48d07f8c44ee5dcc9 i2c: move acpi code back into the core :::::: TO: Wolfram Sang :::::: CC: Wolfram Sang --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation