Hi Andy, I love your patch! Yet something to improve: [auto build test ERROR on cgroup/for-next] [also build test ERROR on v4.17-rc3 next-20180503] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Andy-Shevchenko/rdmacg-Convert-to-use-match_string-helper/20180504-060313 base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next config: x86_64-randconfig-x010-201817 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): kernel/cgroup/rdma.c: In function 'parse_resource': >> kernel/cgroup/rdma.c:385:4: error: break statement not within loop or switch break; ^~~~~ vim +385 kernel/cgroup/rdma.c 39d3e758 Parav Pandit 2017-01-10 361 39d3e758 Parav Pandit 2017-01-10 362 static int parse_resource(char *c, int *intval) 39d3e758 Parav Pandit 2017-01-10 363 { 39d3e758 Parav Pandit 2017-01-10 364 substring_t argstr; 39d3e758 Parav Pandit 2017-01-10 365 char *name, *value = c; 39d3e758 Parav Pandit 2017-01-10 366 size_t len; 9022ddfd Andy Shevchenko 2018-05-03 367 int ret, i; 39d3e758 Parav Pandit 2017-01-10 368 39d3e758 Parav Pandit 2017-01-10 369 name = strsep(&value, "="); 39d3e758 Parav Pandit 2017-01-10 370 if (!name || !value) 39d3e758 Parav Pandit 2017-01-10 371 return -EINVAL; 39d3e758 Parav Pandit 2017-01-10 372 39d3e758 Parav Pandit 2017-01-10 373 len = strlen(value); 39d3e758 Parav Pandit 2017-01-10 374 9022ddfd Andy Shevchenko 2018-05-03 375 i = match_string(rdmacg_resource_names, RDMACG_RESOURCE_MAX, name); 9022ddfd Andy Shevchenko 2018-05-03 376 if (i < 0) 9022ddfd Andy Shevchenko 2018-05-03 377 return i; 39d3e758 Parav Pandit 2017-01-10 378 39d3e758 Parav Pandit 2017-01-10 379 argstr.from = value; 39d3e758 Parav Pandit 2017-01-10 380 argstr.to = value + len; 39d3e758 Parav Pandit 2017-01-10 381 39d3e758 Parav Pandit 2017-01-10 382 ret = match_int(&argstr, intval); 39d3e758 Parav Pandit 2017-01-10 383 if (ret >= 0) { 39d3e758 Parav Pandit 2017-01-10 384 if (*intval < 0) 39d3e758 Parav Pandit 2017-01-10 @385 break; 39d3e758 Parav Pandit 2017-01-10 386 return i; 39d3e758 Parav Pandit 2017-01-10 387 } 39d3e758 Parav Pandit 2017-01-10 388 if (strncmp(value, RDMACG_MAX_STR, len) == 0) { 39d3e758 Parav Pandit 2017-01-10 389 *intval = S32_MAX; 39d3e758 Parav Pandit 2017-01-10 390 return i; 39d3e758 Parav Pandit 2017-01-10 391 } 39d3e758 Parav Pandit 2017-01-10 392 return -EINVAL; 39d3e758 Parav Pandit 2017-01-10 393 } 39d3e758 Parav Pandit 2017-01-10 394 :::::: The code at line 385 was first introduced by commit :::::: 39d3e7584a686541a3295ff1624d341e669e1afc rdmacg: Added rdma cgroup controller :::::: TO: Parav Pandit :::::: CC: Tejun Heo --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation