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hrtimers: Remove unnecessary NULL check in hrtimer_start_range_ns()

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The struct hrtimer::function field can only be changed using
hrtimer_setup*() or hrtimer_update_function(), and both already null-check
'function'. Therefore, null-checking 'function' in hrtimer_start_range_ns()
is not necessary.

Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/all/4661c571ee87980c340ccc318fc1a473c0c8f6bc.1738746927.git.namcao@linutronix.de
This commit is contained in:
Nam Cao 2025-02-05 11:55:17 +01:00 committed by Ingo Molnar
parent 04257da0c9
commit 1cc24f2e76
1 changed files with 0 additions and 2 deletions
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2
kernel/time/hrtimer.c
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@ -1316,8 +1316,6 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
struct hrtimer_clock_base *base;
unsigned long flags;
if (WARN_ON_ONCE(!ACCESS_PRIVATE(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