On Thu, 2024-02-08 at 16:37 -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the iio_bus_type variable to be a constant structure as well,
> placing it into read-only memory which can not be modified at runtime.
>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
> ---
Acked-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
> drivers/iio/industrialio-core.c | 2 +-
> include/linux/iio/iio.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index e8551a1636ba..9b2877fe8689 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -42,7 +42,7 @@ static DEFINE_IDA(iio_ida);
> static dev_t iio_devt;
>
> #define IIO_DEV_MAX 256
> -struct bus_type iio_bus_type = {
> +const struct bus_type iio_bus_type = {
> .name = "iio",
> };
> EXPORT_SYMBOL(iio_bus_type);
> diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
> index 4f89279e531c..e370a7bb3300 100644
> --- a/include/linux/iio/iio.h
> +++ b/include/linux/iio/iio.h
> @@ -669,7 +669,7 @@ DEFINE_GUARD_COND(iio_claim_direct, _try, ({
> int iio_device_claim_buffer_mode(struct iio_dev *indio_dev);
> void iio_device_release_buffer_mode(struct iio_dev *indio_dev);
>
> -extern struct bus_type iio_bus_type;
> +extern const struct bus_type iio_bus_type;
>
> /**
> * iio_device_put() - reference counted deallocation of struct device
>
> ---
> base-commit: 81e8e40ea16329914f78ca1f454d04f570540ca8
> change-id: 20240208-bus_cleanup-iio-1e5714e23bb9
>
> Best regards,
