[PATCH 03/24] timekeeping: Avoid duplicate leap state update

Anna-Maria Behnsen
2024-09-11T13:30:03Z

do_adjtimex() invokes tk_update_leap_state() unconditionally even when a
previous invocation of timekeeping_update() already did that update.

Put it into the else path which is invoked when timekeeping_update() is not
called.

Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
---
kernel/time/timekeeping.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index f09752bae05d..bdc4a6fe040d 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -2594,8 +2594,9 @@ int do_adjtimex(struct __kernel_timex *txc)
__timekeeping_set_tai_offset(tk, tai);
timekeeping_update(tk, TK_MIRROR | TK_CLOCK_WAS_SET);
clock_set = true;
+ } else {
+ tk_update_leap_state(tk);
}
- tk_update_leap_state(tk);

write_seqcount_end(&tk_core.seq);
raw_spin_unlock_irqrestore(&timekeeper_lock, flags);

--
2.39.2