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dax: constify the struct device_type usage

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Since commit aed65af1cc ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
dax_mapping_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>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20240219-device_cleanup-dax-v1-1-6b319ee89dc2@marliere.net
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
This commit is contained in:
Ricardo B. Marliere 2024-02-19 09:47:28 -03:00 committed by Ira Weiny
parent dbc8fc9d6d
commit 2c720b492c
1 changed files with 1 additions and 1 deletions
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2
drivers/dax/bus.c
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@ -818,7 +818,7 @@ static const struct attribute_group *dax_mapping_attribute_groups[] = {
NULL,
};
static struct device_type dax_mapping_type = {
static const struct device_type dax_mapping_type = {
.release = dax_mapping_release,
.groups = dax_mapping_attribute_groups,
};