Hi Huan, kernel test robot noticed the following build errors: [auto build test ERROR on jejb-scsi/for-next] [also build test ERROR on mkp-scsi/for-next linus/master v6.12-rc4 next-20241025] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Huan-Tang/ufs-core-Add-WB-buffer-resize-support/20241026-084545 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next patch link: https://lore.kernel.org/r/20241026004423.135-1-tanghuan%40vivo.com patch subject: [PATCH v2] ufs: core: Add WB buffer resize support config: i386-randconfig-141-20241026 (https://download.01.org/0day-ci/archive/20241027/202410270024.rwb7xAgC-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410270024.rwb7xAgC-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410270024.rwb7xAgC-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/ufs/core/ufs-sysfs.c: In function 'wb_toggle_buf_resize_store': >> drivers/ufs/core/ufs-sysfs.c:441:9: error: 'index' undeclared (first use in this function) 441 | index = ufshcd_wb_get_query_index(hba); | ^~~~~ drivers/ufs/core/ufs-sysfs.c:441:9: note: each undeclared identifier is reported only once for each function it appears in Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y] vim +/index +441 drivers/ufs/core/ufs-sysfs.c 413 414 static ssize_t wb_toggle_buf_resize_store(struct device *dev, 415 struct device_attribute *attr, const char *buf, size_t count) 416 { 417 struct ufs_hba *hba = dev_get_drvdata(dev); 418 unsigned int wb_buf_resize_op; 419 ssize_t res; 420 421 if (!ufshcd_is_wb_allowed(hba) || !hba->dev_info.wb_enabled || 422 !hba->dev_info.b_presrv_uspc_en) { 423 dev_err(dev, "The WB buf resize is not allowed!\n"); 424 return -EOPNOTSUPP; 425 } 426 427 if (kstrtouint(buf, 0, &wb_buf_resize_op)) 428 return -EINVAL; 429 430 if (wb_buf_resize_op != 0x01 && wb_buf_resize_op != 0x02) { 431 dev_err(dev, "The operation %u is invalid!\n", wb_buf_resize_op); 432 return -EINVAL; 433 } 434 435 down(&hba->host_sem); 436 if (!ufshcd_is_user_access_allowed(hba)) { 437 res = -EBUSY; 438 goto out; 439 } 440 > 441 index = ufshcd_wb_get_query_index(hba); 442 ufshcd_rpm_get_sync(hba); 443 res = ufshcd_wb_toggle_buf_resize(hba, wb_buf_resize_op); 444 ufshcd_rpm_put_sync(hba); 445 446 out: 447 up(&hba->host_sem); 448 return res < 0 ? res : count; 449 } 450 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
