| Message ID | 2024010520-joyfully-cosigner-c2a9@gregkh (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Headers | show |
| Series | PNP: make pnp_bus_type const | expand |
On Fri, Jan 5, 2024 at 1:51 PM Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > > Now that the driver core can properly handle constant struct bus_type, > move the pnp_bus_type variable to be a constant structure as well, > placing it into read-only memory which can not be modified at runtime. > > Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> > Cc: linux-acpi@vger.kernel.org > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > --- > drivers/pnp/driver.c | 2 +- > include/linux/pnp.h | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c > index 46c534f6b1c9..0a5d0d8befa8 100644 > --- a/drivers/pnp/driver.c > +++ b/drivers/pnp/driver.c > @@ -256,7 +256,7 @@ static const struct dev_pm_ops pnp_bus_dev_pm_ops = { > .restore = pnp_bus_resume, > }; > > -struct bus_type pnp_bus_type = { > +const struct bus_type pnp_bus_type = { > .name = "pnp", > .match = pnp_bus_match, > .probe = pnp_device_probe, > diff --git a/include/linux/pnp.h b/include/linux/pnp.h > index 267fb8a4fb6e..ddbe7c3ca4ce 100644 > --- a/include/linux/pnp.h > +++ b/include/linux/pnp.h > @@ -435,7 +435,7 @@ struct pnp_protocol { > #define protocol_for_each_dev(protocol, dev) \ > list_for_each_entry(dev, &(protocol)->devices, protocol_list) > > -extern struct bus_type pnp_bus_type; > +extern const struct bus_type pnp_bus_type; > > #if defined(CONFIG_PNP) > > -- Applied as 6.8-rc1 material, thanks!
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 46c534f6b1c9..0a5d0d8befa8 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -256,7 +256,7 @@ static const struct dev_pm_ops pnp_bus_dev_pm_ops = { .restore = pnp_bus_resume, }; -struct bus_type pnp_bus_type = { +const struct bus_type pnp_bus_type = { .name = "pnp", .match = pnp_bus_match, .probe = pnp_device_probe, diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 267fb8a4fb6e..ddbe7c3ca4ce 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -435,7 +435,7 @@ struct pnp_protocol { #define protocol_for_each_dev(protocol, dev) \ list_for_each_entry(dev, &(protocol)->devices, protocol_list) -extern struct bus_type pnp_bus_type; +extern const struct bus_type pnp_bus_type; #if defined(CONFIG_PNP)
Now that the driver core can properly handle constant struct bus_type, move the pnp_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Cc: linux-acpi@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/pnp/driver.c | 2 +- include/linux/pnp.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)