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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-05 13:51:21 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-01-09 15:00:09 +0100 |
| commit | 2fb7e4dd35c52933b18ff127bf92d703c8e2e897 (patch) | |
| tree | f3fc49371fdcc66849624f606c99dc3d0782b665 | |
| parent | ba3f5058db437d919f8468db50483dd9028ff688 (diff) | |
| download | lwn-2fb7e4dd35c52933b18ff127bf92d703c8e2e897.tar.gz lwn-2fb7e4dd35c52933b18ff127bf92d703c8e2e897.zip | |
PNP: make pnp_bus_type const
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>
| -rw-r--r-- | drivers/pnp/driver.c | 2 | ||||
| -rw-r--r-- | 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) |