On Fri, 09 Feb 2024 08:38:03 +0100
Nuno Sá <noname.nuno@xxxxxxxxx> wrote:
> 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>
Applied. Thanks,
Jonathan
>
> > 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,
>
