timekeeping: Mark offsets array as const

Neither the array nor the offsets it is pointing to are meant to be
changed through the array.

Mark both the array and the values it points to as const.

Signed-off-by: Thomas Weißschuh (Schneider Electric) <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260311-hrtimer-cleanups-v1-5-095357392669@linutronix.de

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 46b77c3deb95655dfd32f12ac799a19b7abbd3c9..27f17428f7c5c1dc0fefbc1906674c74e6e31554 100644 (file)
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -989,7 +989,7 @@ u32 ktime_get_resolution_ns(void)
 }
 EXPORT_SYMBOL_GPL(ktime_get_resolution_ns);
 
-static ktime_t *offsets[TK_OFFS_MAX] = {
+static const ktime_t *const offsets[TK_OFFS_MAX] = {
        [TK_OFFS_REAL]  = &tk_core.timekeeper.offs_real,
        [TK_OFFS_BOOT]  = &tk_core.timekeeper.offs_boot,
        [TK_OFFS_TAI]   = &tk_core.timekeeper.offs_tai,
@@ -998,8 +998,9 @@ static ktime_t *offsets[TK_OFFS_MAX] = {
 ktime_t ktime_get_with_offset(enum tk_offsets offs)
 {
        struct timekeeper *tk = &tk_core.timekeeper;
+       const ktime_t *offset = offsets[offs];
        unsigned int seq;
-       ktime_t base, *offset = offsets[offs];
+       ktime_t base;
        u64 nsecs;
 
        WARN_ON(timekeeping_suspended);
@@ -1019,8 +1020,9 @@ EXPORT_SYMBOL_GPL(ktime_get_with_offset);
 ktime_t ktime_get_coarse_with_offset(enum tk_offsets offs)
 {
        struct timekeeper *tk = &tk_core.timekeeper;
-       ktime_t base, *offset = offsets[offs];
+       const ktime_t *offset = offsets[offs];
        unsigned int seq;
+       ktime_t base;
        u64 nsecs;
 
        WARN_ON(timekeeping_suspended);
@@ -1043,7 +1045,7 @@ EXPORT_SYMBOL_GPL(ktime_get_coarse_with_offset);
  */
 ktime_t ktime_mono_to_any(ktime_t tmono, enum tk_offsets offs)
 {
-       ktime_t *offset = offsets[offs];
+       const ktime_t *offset = offsets[offs];
        unsigned int seq;
        ktime_t tconv;