Re: [PATCH] iio: make config_item_type const

[Bhumika Goyal]

On Thu, Oct 12, 2017 at 11:41 AM, Bhumika Goyal <bhumirks@xxxxxxxxx> wrote:
> This is a followup patch for:
> https://lkml.org/lkml/2017/10/11/375
> https://patchwork.kernel.org/patch/9999649/
> https://lkml.org/lkml/2017/10/11/469 and
> https://lkml.org/lkml/2017/10/11/661
>
> Make the config_item_type structures const as they are either passed to
> the functions having the argument as const (link 2,3,4) or they are
> stored in the const "ci_type" field of a config_item structure (link 1).
>
> Done using Coccinelle.
>

Actually, this patch is dependent on the links given in the patch.
Therefore, this patch
won't be correct unless the patches in these links gets applied.

> Signed-off-by: Bhumika Goyal <bhumirks@xxxxxxxxx>
> ---
>  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 +-
>  6 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/iio/dummy/iio_simple_dummy.c b/drivers/iio/dummy/iio_simple_dummy.c
> index a45d01e..6205247 100644
> --- a/drivers/iio/dummy/iio_simple_dummy.c
> +++ b/drivers/iio/dummy/iio_simple_dummy.c
> @@ -26,7 +26,7 @@
>  #include <linux/iio/sw_device.h>
>  #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 45ce2bc..5a0aae1 100644
> --- a/drivers/iio/industrialio-configfs.c
> +++ b/drivers/iio/industrialio-configfs.c
> @@ -17,7 +17,7 @@
>  #include <linux/iio/iio.h>
>  #include <linux/iio/configfs.h>
>
> -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 81b49cf..90df97c 100644
> --- a/drivers/iio/industrialio-sw-device.c
> +++ b/drivers/iio/industrialio-sw-device.c
> @@ -19,9 +19,9 @@
>  #include <linux/configfs.h>
>
>  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 void device_drop_group(struct config_group *group,
>         .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 8d24fb1..bc6b7fb 100644
> --- a/drivers/iio/industrialio-sw-trigger.c
> +++ b/drivers/iio/industrialio-sw-trigger.c
> @@ -19,9 +19,9 @@
>  #include <linux/configfs.h>
>
>  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 void trigger_drop_group(struct config_group *group,
>         .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 3ee9216..7accd01 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 b4b02db..94a90e0 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,
>  };
>
> --
> 1.9.1
>