tree: git://git.cmpxchg.org/linux-mmotm.git master head: ecb428ddd7449905d371074f509d08475eef43f0 commit: 599c8c59b97e91e98b2bfcc80070cdb9e1bbdf3b [158/210] lib: bitmap_parselist: rework input string parser reproduce: make htmldocs All warnings (new ones prefixed by >>): WARNING: convert(1) not found, for SVG to PDF conversion install ImageMagick (https://www.imagemagick.org) include/linux/generic-radix-tree.h:1: warning: no structured comments found lib/bitmap.c:678: warning: Excess function parameter 'buflen' description in '__bitmap_parselist' lib/bitmap.c:679: warning: Excess function parameter 'buflen' description in '__bitmap_parselist' >> lib/bitmap.c:679: warning: Function parameter or member 'end' not described in '__bitmap_parselist' lib/bitmap.c:679: warning: Excess function parameter 'buflen' description in '__bitmap_parselist' lib/sort.c:59: warning: Excess function parameter 'size' description in 'swap_words_32' lib/sort.c:83: warning: Excess function parameter 'size' description in 'swap_words_64' lib/sort.c:110: warning: Excess function parameter 'size' description in 'swap_bytes' kernel/rcu/tree_plugin.h:1: warning: no structured comments found kernel/rcu/tree_plugin.h:1: warning: no structured comments found include/linux/firmware/intel/stratix10-svc-client.h:1: warning: no structured comments found include/linux/gpio/driver.h:371: warning: Function parameter or member 'init_valid_mask' not described in 'gpio_chip' include/linux/i2c.h:343: warning: Function parameter or member 'init_irq' not described in 'i2c_client' include/linux/iio/hw-consumer.h:1: warning: no structured comments found include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry' include/linux/regulator/machine.h:199: warning: Function parameter or member 'max_uV_step' not described in 'regulation_constraints' include/linux/regulator/driver.h:228: warning: Function parameter or member 'resume' not described in 'regulator_ops' drivers/slimbus/stream.c:1: warning: no structured comments found include/linux/spi/spi.h:188: warning: Function parameter or member 'driver_override' not described in 'spi_device' drivers/target/target_core_device.c:1: warning: no structured comments found drivers/usb/typec/bus.c:1: warning: no structured comments found drivers/usb/typec/class.c:1: warning: no structured comments found include/linux/w1.h:281: warning: Function parameter or member 'of_match_table' not described in 'w1_family' fs/direct-io.c:257: warning: Excess function parameter 'offset' description in 'dio_complete' fs/file_table.c:1: warning: no structured comments found fs/libfs.c:477: warning: Excess function parameter 'available' description in 'simple_write_end' fs/posix_acl.c:646: warning: Function parameter or member 'inode' not described in 'posix_acl_update_mode' fs/posix_acl.c:646: warning: Function parameter or member 'mode_p' not described in 'posix_acl_update_mode' fs/posix_acl.c:646: warning: Function parameter or member 'acl' not described in 'posix_acl_update_mode' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:294: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_end' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_end' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:343: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_end' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:183: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Function parameter or member 'range' not described in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:295: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Function parameter or member 'range' not described in 'amdgpu_mn_invalidate_range_end' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Excess function parameter 'mm' description in 'amdgpu_mn_invalidate_range_end' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Excess function parameter 'start' description in 'amdgpu_mn_invalidate_range_end' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:344: warning: Excess function parameter 'end' description in 'amdgpu_mn_invalidate_range_end' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:374: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:375: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:547: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:547: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:547: warning: Function parameter or member 'start' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:547: warning: Function parameter or member 'end' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:547: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:595: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:595: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:595: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:595: warning: Function parameter or member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:868: warning: Function parameter or member 'level' not described in 'amdgpu_vm_bo_param' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1348: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1348: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1348: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1348: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1348: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1348: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1348: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'level' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1516: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_flags' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:3107: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_make_compute' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:375: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:376: warning: Function parameter or member 'ih' not described in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:376: warning: Excess function parameter 'entry' description in 'amdgpu_irq_dispatch' drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1: warning: no structured comments found drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:128: warning: Incorrect use of kernel-doc format: Documentation Makefile include scripts source @atomic_obj drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:203: warning: Function parameter or member 'atomic_obj' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:203: warning: Function parameter or member 'atomic_obj_lock' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:203: warning: Function parameter or member 'backlight_link' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:203: warning: Function parameter or member 'backlight_caps' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:203: warning: Function parameter or member 'freesync_module' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:203: warning: Function parameter or member 'fw_dmcu' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:203: warning: Function parameter or member 'dmcu_fw_version' not described in 'amdgpu_display_manager' drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:1: warning: no structured comments found include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver' include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver' include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver' include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver' include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver' include/drm/drm_drv.h:715: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver' include/drm/drm_atomic_state_helper.h:1: warning: no structured comments found drivers/gpu/drm/scheduler/sched_main.c:376: warning: Excess function parameter 'bad' description in 'drm_sched_stop' drivers/gpu/drm/scheduler/sched_main.c:377: warning: Excess function parameter 'bad' description in 'drm_sched_stop' drivers/gpu/drm/scheduler/sched_main.c:420: warning: Function parameter or member 'full_recovery' not described in 'drm_sched_start' drivers/gpu/drm/i915/i915_vma.h:50: warning: cannot understand function prototype: 'struct i915_vma ' drivers/gpu/drm/i915/i915_vma.h:1: warning: no structured comments found drivers/gpu/drm/i915/intel_guc_fwif.h:536: warning: cannot understand function prototype: 'struct guc_log_buffer_state ' drivers/gpu/drm/i915/i915_trace.h:1: warning: no structured comments found drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h:126: warning: Function parameter or member 'hw_id' not described in 'komeda_component' drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h:126: warning: Function parameter or member 'max_active_outputs' not described in 'komeda_component' drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h:126: warning: Function parameter or member 'supported_outputs' not described in 'komeda_component' vim +679 lib/bitmap.c 599c8c59b Yury Norov 2019-03-28 648 5aaba3631 Sudeep Holla 2014-09-30 649 /** 4b060420a Mike Travis 2011-05-24 650 * __bitmap_parselist - convert list format ASCII string to bitmap b0825ee3a Randy Dunlap 2011-06-15 651 * @buf: read nul-terminated user string from this buffer 4b060420a Mike Travis 2011-05-24 652 * @buflen: buffer size in bytes. If string is smaller than this 4b060420a Mike Travis 2011-05-24 653 * then it must be terminated with a \0. 4b060420a Mike Travis 2011-05-24 654 * @is_user: location of buffer, 0 indicates kernel space 6e1907ffd Randy Dunlap 2006-06-25 655 * @maskp: write resulting mask here ^1da177e4 Linus Torvalds 2005-04-16 656 * @nmaskbits: number of bits in mask to be written ^1da177e4 Linus Torvalds 2005-04-16 657 * ^1da177e4 Linus Torvalds 2005-04-16 658 * Input format is a comma-separated list of decimal numbers and ^1da177e4 Linus Torvalds 2005-04-16 659 * ranges. Consecutively set bits are shown as two hyphen-separated ^1da177e4 Linus Torvalds 2005-04-16 660 * decimal numbers, the smallest and largest bit numbers set in ^1da177e4 Linus Torvalds 2005-04-16 661 * the range. 2d13e6ca4 Noam Camus 2016-10-11 662 * Optionally each range can be postfixed to denote that only parts of it 2d13e6ca4 Noam Camus 2016-10-11 663 * should be set. The range will divided to groups of specific size. 2d13e6ca4 Noam Camus 2016-10-11 664 * From each group will be used only defined amount of bits. 2d13e6ca4 Noam Camus 2016-10-11 665 * Syntax: range:used_size/group_size 2d13e6ca4 Noam Camus 2016-10-11 666 * Example: 0-1023:2/256 ==> 0,1,256,257,512,513,768,769 ^1da177e4 Linus Torvalds 2005-04-16 667 * 40bf19a8d Mauro Carvalho Chehab 2017-03-30 668 * Returns: 0 on success, -errno on invalid input strings. Error values: 40bf19a8d Mauro Carvalho Chehab 2017-03-30 669 * 599c8c59b Yury Norov 2019-03-28 670 * - ``-EINVAL``: wrong region format 40bf19a8d Mauro Carvalho Chehab 2017-03-30 671 * - ``-EINVAL``: invalid character in string 40bf19a8d Mauro Carvalho Chehab 2017-03-30 672 * - ``-ERANGE``: bit number specified too large for mask 599c8c59b Yury Norov 2019-03-28 673 * - ``-EOVERFLOW``: integer overflow in the input parameters ^1da177e4 Linus Torvalds 2005-04-16 674 */ 599c8c59b Yury Norov 2019-03-28 675 static int __bitmap_parselist(const char *buf, const char *const end, 4b060420a Mike Travis 2011-05-24 676 int is_user, unsigned long *maskp, 4b060420a Mike Travis 2011-05-24 677 int nmaskbits) ^1da177e4 Linus Torvalds 2005-04-16 @678 { 0925706de Yury Norov 2019-03-28 @679 struct region r; 599c8c59b Yury Norov 2019-03-28 680 long ret; ^1da177e4 Linus Torvalds 2005-04-16 681 ^1da177e4 Linus Torvalds 2005-04-16 682 bitmap_zero(maskp, nmaskbits); 4b060420a Mike Travis 2011-05-24 683 599c8c59b Yury Norov 2019-03-28 684 while (buf && buf <= end) { 599c8c59b Yury Norov 2019-03-28 685 buf = bitmap_find_region(buf, end, is_user); 599c8c59b Yury Norov 2019-03-28 686 if (buf == NULL) 599c8c59b Yury Norov 2019-03-28 687 return 0; 0925706de Yury Norov 2019-03-28 688 599c8c59b Yury Norov 2019-03-28 689 buf = bitmap_parse_region(&r, buf, end, is_user); 599c8c59b Yury Norov 2019-03-28 690 if (IS_ERR(buf)) 599c8c59b Yury Norov 2019-03-28 691 return PTR_ERR(buf); 0925706de Yury Norov 2019-03-28 692 0925706de Yury Norov 2019-03-28 693 ret = bitmap_check_region(&r); 0925706de Yury Norov 2019-03-28 694 if (ret) 0925706de Yury Norov 2019-03-28 695 return ret; 0925706de Yury Norov 2019-03-28 696 0925706de Yury Norov 2019-03-28 697 ret = bitmap_set_region(&r, maskp, nmaskbits); 0925706de Yury Norov 2019-03-28 698 if (ret) 0925706de Yury Norov 2019-03-28 699 return ret; 599c8c59b Yury Norov 2019-03-28 700 } 0925706de Yury Norov 2019-03-28 701 ^1da177e4 Linus Torvalds 2005-04-16 702 return 0; ^1da177e4 Linus Torvalds 2005-04-16 703 } 4b060420a Mike Travis 2011-05-24 704 :::::: The code at line 679 was first introduced by commit :::::: 0925706defc41e9232652eb406df5770a38a8666 lib: bitmap_parselist: move non-parser logic to helpers :::::: TO: Yury Norov <ynorov@xxxxxxxxxxx> :::::: CC: Johannes Weiner <hannes@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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