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nvdimm: make nvdimm_bus_type const

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Now that the driver core can properly handle constant struct bus_type,
move the nvdimm_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@linuxfoundation.org>
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>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-nvdimm-v1-1-77ae19fa3e3b@marliere.net
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Ricardo B. Marliere 2024-02-04 17:20:07 -03:00 committed by Dave Jiang
parent e4b0925fcc
commit 1333d6f21d
1 changed files with 1 additions and 1 deletions
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2
drivers/nvdimm/bus.c
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@ -271,7 +271,7 @@ EXPORT_SYMBOL_GPL(nvdimm_clear_poison);
static int nvdimm_bus_match(struct device *dev, struct device_driver *drv); static int nvdimm_bus_match(struct device *dev, struct device_driver *drv);
static struct bus_type nvdimm_bus_type = { static const struct bus_type nvdimm_bus_type = {
.name = "nd", .name = "nd",
.uevent = nvdimm_bus_uevent, .uevent = nvdimm_bus_uevent,
.match = nvdimm_bus_match, .match = nvdimm_bus_match,