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driver core: make the bus_type in struct device_driver constant

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The pointer to struct bus_type in struct device_driver should only be
pointing to something that can never change now that the driver core has
fixed up the previously writable fields.  So mark it as a constant
pointer to enforce this and move forward with the goal of moving
bus_type into read-only memory.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313182918.1312597-28-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-03-13 19:29:10 +01:00
parent 38370c4e25
commit c28dd08ef7
1 changed files with 1 additions and 1 deletions
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2
include/linux/device/driver.h
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@ -95,7 +95,7 @@ enum probe_type {
*/
struct device_driver {
const char *name;
struct bus_type *bus;
const struct bus_type *bus;
struct module *owner;
const char *mod_name; /* used for built-in modules */