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- Warn when an hrtimer doesn't get a callback supplied

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Merge tag 'timers_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Borislav Petkov:

 - Warn when an hrtimer doesn't get a callback supplied

* tag 'timers_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  hrtimer: Prevent queuing of hrtimer without a function callback
This commit is contained in:
Linus Torvalds 2024-06-30 08:31:08 -07:00
commit 03c8b0bd46
1 changed files with 2 additions and 0 deletions
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2
kernel/time/hrtimer.c
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@ -1285,6 +1285,8 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
struct hrtimer_clock_base *base;
unsigned long flags;
if (WARN_ON_ONCE(!timer->function))
return;
/*
* Check whether the HRTIMER_MODE_SOFT bit and hrtimer.is_soft
* match on CONFIG_PREEMPT_RT = n. With PREEMPT_RT check the hard