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time/sched_clock: Use ACCESS_PRIVATE() to evaluate hrtimer::function

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This dereference of sched_clock_timer::function was missed when the
hrtimer callback function pointer was marked private.

Fixes: 04257da0c9 ("hrtimers: Make callback function pointer private")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/875x95jw7q.ffs@tglx
Closes: https://lore.kernel.org/oe-kbuild-all/202601131713.KsxhXQ0M-lkp@intel.com/
This commit is contained in:
Thomas Gleixner
2026-01-13 17:47:37 +01:00
parent ae4535b0d9
commit 3db5306b0b
1 changed files with 1 additions and 1 deletions
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2
kernel/time/sched_clock.c
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@@ -215,7 +215,7 @@ void sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
update_clock_read_data(&rd);
if (sched_clock_timer.function != NULL) {
if (ACCESS_PRIVATE(&sched_clock_timer, function) != NULL) {
/* update timeout for clock wrap */
hrtimer_start(&sched_clock_timer, cd.wrap_kt,
HRTIMER_MODE_REL_HARD);