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author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-11 12:37:11 -0300 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-02-12 14:42:48 +0100 |
commit | 592190b598c3a9fdf98c5fc649e5f6da6e8e7941 (patch) | |
tree | 00221cc03c5ac7d558988c42721b3448dd475817 | |
parent | 841c35169323cd833294798e58b9bf63fa4fa1de (diff) | |
download | linux-stable-592190b598c3a9fdf98c5fc649e5f6da6e8e7941.tar.gz linux-stable-592190b598c3a9fdf98c5fc649e5f6da6e8e7941.tar.bz2 linux-stable-592190b598c3a9fdf98c5fc649e5f6da6e8e7941.zip |
ACPI: bus: make acpi_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the acpi_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r-- | drivers/acpi/bus.c | 2 | ||||
-rw-r--r-- | include/acpi/acpi_bus.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 569bd15f211b..d9fa730416f1 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1097,7 +1097,7 @@ static void acpi_device_remove(struct device *dev) put_device(dev); } -struct bus_type acpi_bus_type = { +const struct bus_type acpi_bus_type = { .name = "acpi", .match = acpi_bus_match, .probe = acpi_device_probe, diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index e4d24d3f9abb..f67aa93ba53e 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -582,7 +582,7 @@ void acpi_initialize_hp_context(struct acpi_device *adev, void (*uevent)(struct acpi_device *, u32)); /* acpi_device.dev.bus == &acpi_bus_type */ -extern struct bus_type acpi_bus_type; +extern const struct bus_type acpi_bus_type; int acpi_bus_for_each_dev(int (*fn)(struct device *, void *), void *data); int acpi_dev_for_each_child(struct acpi_device *adev, |