Hi Bhumika, [auto build test WARNING on iio/togreg] [also build test WARNING on v4.14-rc4 next-20171013] [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/Bhumika-Goyal/iio-make-config_item_type-const/20171014-213401 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: x86_64-randconfig-x018-201741 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers//iio/trigger/iio-trig-hrtimer.c: In function 'iio_trig_hrtimer_probe': >> drivers//iio/trigger/iio-trig-hrtimer.c:149:54: warning: passing argument 3 of 'iio_swt_group_init_type_name' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] iio_swt_group_init_type_name(&trig_info->swt, name, &iio_hrtimer_type); ^ In file included from drivers//iio/trigger/iio-trig-hrtimer.c:21:0: include/linux/iio/sw_trigger.h:61:6: note: expected 'struct config_item_type *' but argument is of type 'const struct config_item_type *' void iio_swt_group_init_type_name(struct iio_sw_trigger *t, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64 Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64 Cyclomatic Complexity 1 include/linux/kernel.h:kstrtoul Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 5 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/slab.h:kzalloc Cyclomatic Complexity 1 include/linux/hrtimer.h:hrtimer_start Cyclomatic Complexity 1 include/linux/hrtimer.h:hrtimer_forward_now Cyclomatic Complexity 1 include/linux/device.h:dev_get_drvdata Cyclomatic Complexity 1 include/linux/device.h:dev_set_drvdata Cyclomatic Complexity 2 include/linux/iio/trigger.h:to_iio_trigger Cyclomatic Complexity 1 include/linux/iio/trigger.h:iio_trigger_set_drvdata Cyclomatic Complexity 1 include/linux/iio/trigger.h:iio_trigger_get_drvdata Cyclomatic Complexity 1 include/linux/iio/sw_trigger.h:iio_swt_group_init_type_name Cyclomatic Complexity 3 drivers//iio/trigger/iio-trig-hrtimer.c:iio_hrtimer_store_sampling_frequency Cyclomatic Complexity 1 drivers//iio/trigger/iio-trig-hrtimer.c:iio_trig_hrtimer_init Cyclomatic Complexity 2 drivers//iio/trigger/iio-trig-hrtimer.c:iio_trig_hrtimer_set_state Cyclomatic Complexity 1 drivers//iio/trigger/iio-trig-hrtimer.c:iio_trig_hrtimer_remove Cyclomatic Complexity 4 drivers//iio/trigger/iio-trig-hrtimer.c:iio_trig_hrtimer_probe Cyclomatic Complexity 2 drivers//iio/trigger/iio-trig-hrtimer.c:iio_hrtimer_trig_handler Cyclomatic Complexity 1 drivers//iio/trigger/iio-trig-hrtimer.c:iio_hrtimer_show_sampling_frequency Cyclomatic Complexity 1 drivers//iio/trigger/iio-trig-hrtimer.c:iio_trig_hrtimer_exit -- drivers//iio/trigger/iio-trig-loop.c: In function 'iio_trig_loop_probe': >> drivers//iio/trigger/iio-trig-loop.c:101:54: warning: passing argument 3 of 'iio_swt_group_init_type_name' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] iio_swt_group_init_type_name(&trig_info->swt, name, &iio_loop_type); ^ In file included from drivers//iio/trigger/iio-trig-loop.c:32:0: include/linux/iio/sw_trigger.h:61:6: note: expected 'struct config_item_type *' but argument is of type 'const struct config_item_type *' void iio_swt_group_init_type_name(struct iio_sw_trigger *t, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64 Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64 Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR Cyclomatic Complexity 1 include/linux/err.h:IS_ERR Cyclomatic Complexity 1 include/linux/device.h:dev_get_drvdata Cyclomatic Complexity 1 include/linux/device.h:dev_set_drvdata Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 5 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/slab.h:kzalloc Cyclomatic Complexity 1 include/linux/iio/trigger.h:iio_trigger_set_drvdata Cyclomatic Complexity 1 include/linux/iio/trigger.h:iio_trigger_get_drvdata Cyclomatic Complexity 1 include/linux/iio/sw_trigger.h:iio_swt_group_init_type_name Cyclomatic Complexity 1 drivers//iio/trigger/iio-trig-loop.c:iio_trig_loop_init Cyclomatic Complexity 1 drivers//iio/trigger/iio-trig-loop.c:iio_trig_loop_remove Cyclomatic Complexity 4 drivers//iio/trigger/iio-trig-loop.c:iio_trig_loop_probe Cyclomatic Complexity 4 drivers//iio/trigger/iio-trig-loop.c:iio_loop_trigger_set_state Cyclomatic Complexity 2 drivers//iio/trigger/iio-trig-loop.c:iio_loop_thread Cyclomatic Complexity 1 drivers//iio/trigger/iio-trig-loop.c:iio_trig_loop_exit -- >> drivers/iio/industrialio-configfs.c:28:15: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] .ci_type = &iio_root_group_type, ^ Cyclomatic Complexity 1 drivers/iio/industrialio-configfs.c:iio_configfs_init Cyclomatic Complexity 1 drivers/iio/industrialio-configfs.c:iio_configfs_exit -- drivers/iio/industrialio-sw-device.c: In function 'iio_register_sw_device_type': >> drivers/iio/industrialio-sw-device.c:63:7: warning: passing argument 3 of 'configfs_register_default_group' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] &iio_device_type_group_type); ^ In file included from include/linux/iio/sw_device.h:17:0, from drivers/iio/industrialio-sw-device.c:17: include/linux/configfs.h:262:1: note: expected 'struct config_item_type *' but argument is of type 'const struct config_item_type *' configfs_register_default_group(struct config_group *parent_group, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/iio/industrialio-sw-device.c: In function 'iio_sw_device_init': drivers/iio/industrialio-sw-device.c:169:7: warning: passing argument 3 of 'configfs_register_default_group' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] &iio_devices_group_type); ^ In file included from include/linux/iio/sw_device.h:17:0, from drivers/iio/industrialio-sw-device.c:17: include/linux/configfs.h:262:1: note: expected 'struct config_item_type *' but argument is of type 'const struct config_item_type *' configfs_register_default_group(struct config_group *parent_group, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 include/linux/list.h:__list_add_valid Cyclomatic Complexity 1 include/linux/list.h:__list_del_entry_valid Cyclomatic Complexity 2 include/linux/list.h:__list_add Cyclomatic Complexity 1 include/linux/list.h:list_add_tail Cyclomatic Complexity 1 include/linux/list.h:__list_del Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry Cyclomatic Complexity 1 include/linux/list.h:list_del Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR Cyclomatic Complexity 1 include/linux/err.h:IS_ERR Cyclomatic Complexity 1 include/linux/err.h:ERR_CAST Cyclomatic Complexity 2 include/linux/err.h:PTR_ERR_OR_ZERO Cyclomatic Complexity 1 include/linux/module.h:try_module_get Cyclomatic Complexity 1 include/linux/module.h:module_put Cyclomatic Complexity 3 include/linux/configfs.h:to_config_group Cyclomatic Complexity 2 include/linux/iio/sw_device.h:to_iio_sw_device Cyclomatic Complexity 1 drivers/iio/industrialio-sw-device.c:iio_sw_device_init Cyclomatic Complexity 5 drivers/iio/industrialio-sw-device.c:__iio_find_sw_device_type Cyclomatic Complexity 3 drivers/iio/industrialio-sw-device.c:iio_get_sw_device_type Cyclomatic Complexity 1 drivers/iio/industrialio-sw-device.c:iio_sw_device_exit Cyclomatic Complexity 4 drivers/iio/industrialio-sw-device.c:iio_register_sw_device_type Cyclomatic Complexity 2 drivers/iio/industrialio-sw-device.c:iio_unregister_sw_device_type Cyclomatic Complexity 3 drivers/iio/industrialio-sw-device.c:iio_sw_device_create Cyclomatic Complexity 2 drivers/iio/industrialio-sw-device.c:device_make_group Cyclomatic Complexity 1 drivers/iio/industrialio-sw-device.c:iio_sw_device_destroy Cyclomatic Complexity 1 drivers/iio/industrialio-sw-device.c:device_drop_group -- drivers/iio/industrialio-sw-trigger.c: In function 'iio_register_sw_trigger_type': >> drivers/iio/industrialio-sw-trigger.c:63:7: warning: passing argument 3 of 'configfs_register_default_group' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] &iio_trigger_type_group_type); ^ In file included from include/linux/iio/sw_trigger.h:17:0, from drivers/iio/industrialio-sw-trigger.c:17: include/linux/configfs.h:262:1: note: expected 'struct config_item_type *' but argument is of type 'const struct config_item_type *' configfs_register_default_group(struct config_group *parent_group, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/iio/industrialio-sw-trigger.c: In function 'iio_sw_trigger_init': drivers/iio/industrialio-sw-trigger.c:169:7: warning: passing argument 3 of 'configfs_register_default_group' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] &iio_triggers_group_type); ^ In file included from include/linux/iio/sw_trigger.h:17:0, from drivers/iio/industrialio-sw-trigger.c:17: include/linux/configfs.h:262:1: note: expected 'struct config_item_type *' but argument is of type 'const struct config_item_type *' configfs_register_default_group(struct config_group *parent_group, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 include/linux/list.h:__list_add_valid Cyclomatic Complexity 1 include/linux/list.h:__list_del_entry_valid Cyclomatic Complexity 2 include/linux/list.h:__list_add Cyclomatic Complexity 1 include/linux/list.h:list_add_tail Cyclomatic Complexity 1 include/linux/list.h:__list_del Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry Cyclomatic Complexity 1 include/linux/list.h:list_del Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR Cyclomatic Complexity 1 include/linux/err.h:IS_ERR Cyclomatic Complexity 1 include/linux/err.h:ERR_CAST Cyclomatic Complexity 2 include/linux/err.h:PTR_ERR_OR_ZERO Cyclomatic Complexity 1 include/linux/module.h:try_module_get Cyclomatic Complexity 1 include/linux/module.h:module_put Cyclomatic Complexity 3 include/linux/configfs.h:to_config_group Cyclomatic Complexity 2 include/linux/iio/sw_trigger.h:to_iio_sw_trigger Cyclomatic Complexity 1 drivers/iio/industrialio-sw-trigger.c:iio_sw_trigger_init Cyclomatic Complexity 5 drivers/iio/industrialio-sw-trigger.c:__iio_find_sw_trigger_type Cyclomatic Complexity 3 drivers/iio/industrialio-sw-trigger.c:iio_get_sw_trigger_type Cyclomatic Complexity 1 drivers/iio/industrialio-sw-trigger.c:iio_sw_trigger_exit Cyclomatic Complexity 4 drivers/iio/industrialio-sw-trigger.c:iio_register_sw_trigger_type Cyclomatic Complexity 2 drivers/iio/industrialio-sw-trigger.c:iio_unregister_sw_trigger_type Cyclomatic Complexity 3 drivers/iio/industrialio-sw-trigger.c:iio_sw_trigger_create Cyclomatic Complexity 2 drivers/iio/industrialio-sw-trigger.c:trigger_make_group Cyclomatic Complexity 1 drivers/iio/industrialio-sw-trigger.c:iio_sw_trigger_destroy Cyclomatic Complexity 1 drivers/iio/industrialio-sw-trigger.c:trigger_drop_group vim +/const +28 drivers/iio/industrialio-configfs.c 8261d961 Daniel Baluta 2015-11-09 23 8261d961 Daniel Baluta 2015-11-09 24 struct configfs_subsystem iio_configfs_subsys = { 8261d961 Daniel Baluta 2015-11-09 25 .su_group = { 8261d961 Daniel Baluta 2015-11-09 26 .cg_item = { 8261d961 Daniel Baluta 2015-11-09 27 .ci_namebuf = "iio", 8261d961 Daniel Baluta 2015-11-09 @28 .ci_type = &iio_root_group_type, 8261d961 Daniel Baluta 2015-11-09 29 }, 8261d961 Daniel Baluta 2015-11-09 30 }, 8261d961 Daniel Baluta 2015-11-09 31 .su_mutex = __MUTEX_INITIALIZER(iio_configfs_subsys.su_mutex), 8261d961 Daniel Baluta 2015-11-09 32 }; 8261d961 Daniel Baluta 2015-11-09 33 EXPORT_SYMBOL(iio_configfs_subsys); 8261d961 Daniel Baluta 2015-11-09 34 :::::: The code at line 28 was first introduced by commit :::::: 8261d961d1f397925d7a470864c14663d01ed714 iio: core: Introduce IIO configfs support :::::: TO: Daniel Baluta <daniel.baluta@xxxxxxxxx> :::::: CC: Jonathan Cameron <jic23@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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