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PNP: make pnp_bus_type const

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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.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Greg Kroah-Hartman 2024-01-05 13:51:21 +01:00 committed by Rafael J. Wysocki
parent ba3f5058db
commit 2fb7e4dd35
2 changed files with 2 additions and 2 deletions
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2
drivers/pnp/driver.c
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@ -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,

2
include/linux/pnp.h
View File

@ -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)