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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-26 10:00:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-26 10:00:16 -0700 |
| commit | 3a398acc56dd7592eba081ce1ea356151ab90e2d (patch) | |
| tree | 56f7414dd2e320a6963c050ee761aae536e3c6de | |
| parent | dc0f97c2613d09734719ef89d99d06417d92337d (diff) | |
| parent | 8cd9da85d2bd87ce889043e7b1735723dd10eb89 (diff) | |
Merge tag 'timers-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single fix for the recently introduced regression in posix CPU
timers which failed to stop the timer when requested. That caused
unexpected signals to be sent to the process/thread causing
malfunction"
* tag 'timers-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-cpu-timers: Prevent spuriously armed 0-value itimer
| -rw-r--r-- | kernel/time/posix-cpu-timers.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index ee736861b18f..643d412ac623 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -1404,7 +1404,8 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clkid, } } - *newval += now; + if (*newval) + *newval += now; } /* |