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driver core: class: make namespace and get_ownership take const *

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The callbacks in struct class namespace() and get_ownership() do not
modify the struct device passed to them, so mark the pointer as constant
and fix up all callbacks in the kernel to have the correct function
signature.

This helps make it more obvious what calls and callbacks do, and do not,
modify structures passed to them.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20221001165426.2690912-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2022-10-01 18:54:26 +02:00
parent 9a6800d1b9
commit fa627348cf
7 changed files with 15 additions and 15 deletions
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include/linux/device/class.h
+2 -2
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@@ -68,9 +68,9 @@ struct class {
int (*shutdown_pre)(struct device *dev);
const struct kobj_ns_type_operations *ns_type;
const void *(*namespace)(struct device *dev);
const void *(*namespace)(const struct device *dev);
void (*get_ownership)(struct device *dev, kuid_t *uid, kgid_t *gid);
void (*get_ownership)(const struct device *dev, kuid_t *uid, kgid_t *gid);
const struct dev_pm_ops *pm;