Patch against mainline.
---
Subject: [PATCH] hibernation: constify platform_hibernation_ops
Derived from the grsecurity patch.
Signed-off-by: Lionel Debroux <[email protected]>
---
drivers/acpi/sleep.c | 4 ++--
include/linux/suspend.h | 24 ++++++++++++------------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 721d93b..5149c9b 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -498,7 +498,7 @@ static void acpi_pm_thaw(void)
acpi_enable_all_runtime_gpes();
}
-static struct platform_hibernation_ops acpi_hibernation_ops = {
+static const struct platform_hibernation_ops acpi_hibernation_ops = {
.begin = acpi_hibernation_begin,
.end = acpi_pm_end,
.pre_snapshot = acpi_pm_prepare,
@@ -541,7 +541,7 @@ static int acpi_hibernation_begin_old(void)
* The following callbacks are used if the pre-ACPI 2.0 suspend ordering has
* been requested.
*/
-static struct platform_hibernation_ops acpi_hibernation_ops_old = {
+static const struct platform_hibernation_ops acpi_hibernation_ops_old = {
.begin = acpi_hibernation_begin_old,
.end = acpi_pm_end,
.pre_snapshot = acpi_pm_pre_suspend,
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 2669751..37857e3 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -217,16 +217,16 @@ extern void mark_free_pages(struct zone *zone);
* platforms which require special recovery actions in that situation.
*/
struct platform_hibernation_ops {
- int (*begin)(void);
- void (*end)(void);
- int (*pre_snapshot)(void);
- void (*finish)(void);
- int (*prepare)(void);
- int (*enter)(void);
- void (*leave)(void);
- int (*pre_restore)(void);
- void (*restore_cleanup)(void);
- void (*recover)(void);
+ int (* const begin)(void);
+ void (* const end)(void);
+ int (* const pre_snapshot)(void);
+ void (* const finish)(void);
+ int (* const prepare)(void);
+ int (* const enter)(void);
+ void (* const leave)(void);
+ int (* const pre_restore)(void);
+ void (* const restore_cleanup)(void);
+ void (* const recover)(void);
};
#ifdef CONFIG_HIBERNATION
@@ -245,7 +245,7 @@ extern void swsusp_set_page_free(struct page *);
extern void swsusp_unset_page_free(struct page *);
extern unsigned long get_safe_page(gfp_t gfp_mask);
-extern void hibernation_set_ops(struct platform_hibernation_ops *ops);
+extern void hibernation_set_ops(const struct platform_hibernation_ops *ops);
extern int hibernate(void);
extern bool system_entering_hibernation(void);
#else /* CONFIG_HIBERNATION */
@@ -253,7 +253,7 @@ static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
static inline void swsusp_set_page_free(struct page *p) {}
static inline void swsusp_unset_page_free(struct page *p) {}
-static inline void hibernation_set_ops(struct platform_hibernation_ops *ops) {}
+static inline void hibernation_set_ops(const struct platform_hibernation_ops *ops) {}
static inline int hibernate(void) { return -ENOSYS; }
static inline bool system_entering_hibernation(void) { return false; }
#endif /* CONFIG_HIBERNATION */
--
1.7.3.2.161.g3089c