From aa293583f0fe8b1634aeadbea06b4d0d04c30a95 Mon Sep 17 00:00:00 2001 From: Bhumika Goyal Date: Mon, 16 Oct 2017 17:18:40 +0200 Subject: configfs: make ci_type field, some pointers and function arguments const The ci_type field of the config_item structure do not modify the fields of the config_item_type structure it points to. And the other pointers initialized with ci_type do not modify the fields as well. So, make the ci_type field and the pointers initialized with ci_type as const. Make the struct config_item_type *type function argument of functions config_{item/group}_init_type_name const as the argument in both the functions is only stored in the ci_type field of a config_item structure which is now made const. Make the argument of configfs_register_default_group const as it is only passed to the argument of the function config_group_init_type_name which is now const. Signed-off-by: Bhumika Goyal Acked-by: Greg Kroah-Hartman Signed-off-by: Christoph Hellwig --- include/linux/configfs.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'include/linux') diff --git a/include/linux/configfs.h b/include/linux/configfs.h index c96709049683..90b90f8baf99 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -58,7 +58,7 @@ struct config_item { struct list_head ci_entry; struct config_item *ci_parent; struct config_group *ci_group; - struct config_item_type *ci_type; + const struct config_item_type *ci_type; struct dentry *ci_dentry; }; @@ -72,7 +72,7 @@ static inline char *config_item_name(struct config_item * item) extern void config_item_init_type_name(struct config_item *item, const char *name, - struct config_item_type *type); + const struct config_item_type *type); extern struct config_item *config_item_get(struct config_item *); extern struct config_item *config_item_get_unless_zero(struct config_item *); @@ -101,7 +101,7 @@ struct config_group { extern void config_group_init(struct config_group *group); extern void config_group_init_type_name(struct config_group *group, const char *name, - struct config_item_type *type); + const struct config_item_type *type); static inline struct config_group *to_config_group(struct config_item *item) { @@ -261,7 +261,7 @@ void configfs_remove_default_groups(struct config_group *group); struct config_group * configfs_register_default_group(struct config_group *parent_group, const char *name, - struct config_item_type *item_type); + const struct config_item_type *item_type); void configfs_unregister_default_group(struct config_group *group); /* These functions can sleep and can alloc with GFP_KERNEL */ -- cgit v1.2.3 From 612a462acbb9f3bfc7c8433b44118b0a156560da Mon Sep 17 00:00:00 2001 From: Bhumika Goyal Date: Mon, 16 Oct 2017 17:18:43 +0200 Subject: iio: make function argument and some structures const Make the argument of the functions iio_sw{d/t}_group_init_type_name const as they are only passed to the function config_group_init_type_name having the argument as const. Make the config_item_type structures const as they are either passed to the functions having the argument as const or they are stored in the const "ci_type" field of a config_item structure. Signed-off-by: Bhumika Goyal Acked-by: Jonathan Cameron Signed-off-by: Christoph Hellwig --- drivers/iio/dummy/iio_simple_dummy.c | 2 +- drivers/iio/industrialio-configfs.c | 2 +- drivers/iio/industrialio-sw-device.c | 6 +++--- drivers/iio/industrialio-sw-trigger.c | 6 +++--- drivers/iio/trigger/iio-trig-hrtimer.c | 2 +- drivers/iio/trigger/iio-trig-loop.c | 2 +- include/linux/iio/sw_device.h | 2 +- include/linux/iio/sw_trigger.h | 2 +- 8 files changed, 12 insertions(+), 12 deletions(-) (limited to 'include/linux') diff --git a/drivers/iio/dummy/iio_simple_dummy.c b/drivers/iio/dummy/iio_simple_dummy.c index ad3410e528b6..e177a0862b2b 100644 --- a/drivers/iio/dummy/iio_simple_dummy.c +++ b/drivers/iio/dummy/iio_simple_dummy.c @@ -26,7 +26,7 @@ #include #include "iio_simple_dummy.h" -static struct config_item_type iio_dummy_type = { +static const struct config_item_type iio_dummy_type = { .ct_owner = THIS_MODULE, }; diff --git a/drivers/iio/industrialio-configfs.c b/drivers/iio/industrialio-configfs.c index 45ce2bc47180..5a0aae119369 100644 --- a/drivers/iio/industrialio-configfs.c +++ b/drivers/iio/industrialio-configfs.c @@ -17,7 +17,7 @@ #include #include -static struct config_item_type iio_root_group_type = { +static const struct config_item_type iio_root_group_type = { .ct_owner = THIS_MODULE, }; diff --git a/drivers/iio/industrialio-sw-device.c b/drivers/iio/industrialio-sw-device.c index 81b49cfca452..90df97c542f6 100644 --- a/drivers/iio/industrialio-sw-device.c +++ b/drivers/iio/industrialio-sw-device.c @@ -19,9 +19,9 @@ #include static struct config_group *iio_devices_group; -static struct config_item_type iio_device_type_group_type; +static const struct config_item_type iio_device_type_group_type; -static struct config_item_type iio_devices_group_type = { +static const struct config_item_type iio_devices_group_type = { .ct_owner = THIS_MODULE, }; @@ -156,7 +156,7 @@ static struct configfs_group_operations device_ops = { .drop_item = &device_drop_group, }; -static struct config_item_type iio_device_type_group_type = { +static const struct config_item_type iio_device_type_group_type = { .ct_group_ops = &device_ops, .ct_owner = THIS_MODULE, }; diff --git a/drivers/iio/industrialio-sw-trigger.c b/drivers/iio/industrialio-sw-trigger.c index 8d24fb159cc9..bc6b7fb43e3a 100644 --- a/drivers/iio/industrialio-sw-trigger.c +++ b/drivers/iio/industrialio-sw-trigger.c @@ -19,9 +19,9 @@ #include static struct config_group *iio_triggers_group; -static struct config_item_type iio_trigger_type_group_type; +static const struct config_item_type iio_trigger_type_group_type; -static struct config_item_type iio_triggers_group_type = { +static const struct config_item_type iio_triggers_group_type = { .ct_owner = THIS_MODULE, }; @@ -156,7 +156,7 @@ static struct configfs_group_operations trigger_ops = { .drop_item = &trigger_drop_group, }; -static struct config_item_type iio_trigger_type_group_type = { +static const struct config_item_type iio_trigger_type_group_type = { .ct_group_ops = &trigger_ops, .ct_owner = THIS_MODULE, }; diff --git a/drivers/iio/trigger/iio-trig-hrtimer.c b/drivers/iio/trigger/iio-trig-hrtimer.c index a1cad6cc2e0f..ce7d120b348e 100644 --- a/drivers/iio/trigger/iio-trig-hrtimer.c +++ b/drivers/iio/trigger/iio-trig-hrtimer.c @@ -30,7 +30,7 @@ struct iio_hrtimer_info { ktime_t period; }; -static struct config_item_type iio_hrtimer_type = { +static const struct config_item_type iio_hrtimer_type = { .ct_owner = THIS_MODULE, }; diff --git a/drivers/iio/trigger/iio-trig-loop.c b/drivers/iio/trigger/iio-trig-loop.c index dc6be28f96fe..745a01f04a27 100644 --- a/drivers/iio/trigger/iio-trig-loop.c +++ b/drivers/iio/trigger/iio-trig-loop.c @@ -36,7 +36,7 @@ struct iio_loop_info { struct task_struct *task; }; -static struct config_item_type iio_loop_type = { +static const struct config_item_type iio_loop_type = { .ct_owner = THIS_MODULE, }; diff --git a/include/linux/iio/sw_device.h b/include/linux/iio/sw_device.h index fa7931933067..8642b91a7577 100644 --- a/include/linux/iio/sw_device.h +++ b/include/linux/iio/sw_device.h @@ -60,7 +60,7 @@ void iio_sw_device_type_configfs_unregister(struct iio_sw_device_type *dt); static inline void iio_swd_group_init_type_name(struct iio_sw_device *d, const char *name, - struct config_item_type *type) + const struct config_item_type *type) { #if IS_ENABLED(CONFIG_CONFIGFS_FS) config_group_init_type_name(&d->group, name, type); diff --git a/include/linux/iio/sw_trigger.h b/include/linux/iio/sw_trigger.h index c97eab67558f..0c43738a9e24 100644 --- a/include/linux/iio/sw_trigger.h +++ b/include/linux/iio/sw_trigger.h @@ -60,7 +60,7 @@ void iio_sw_trigger_type_configfs_unregister(struct iio_sw_trigger_type *tt); static inline void iio_swt_group_init_type_name(struct iio_sw_trigger *t, const char *name, - struct config_item_type *type) + const struct config_item_type *type) { #if IS_ENABLED(CONFIG_CONFIGFS_FS) config_group_init_type_name(&t->group, name, type); -- cgit v1.2.3