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authorThomas Gleixner <tglx@linutronix.de>2024-09-02 11:56:59 +0200
committerThomas Gleixner <tglx@linutronix.de>2024-09-02 11:56:59 +0200
commit342123d6913c62be17e5ca1bb325758c5fd0db34 (patch)
tree44a9a8aa6910907014bca41bc6272aa27d0e9b50 /include/linux/refcount.h
parent5916be8a53de6401871bdd953f6c60237b47d6d3 (diff)
parent3d5c2f8e75a55cfb11a85086c71996af0354a1fb (diff)
Merge tag 'timers-v6.11-rc7' of https://git.linaro.org/people/daniel.lezcano/linux into timers/urgent
Pull clocksource driver fixes from Daniel Lezcano: - Remove percpu irq related code in the timer-of initialization routine as it is broken but also unused (Daniel Lezcano) - Fix return -ETIME when delta exceeds INT_MAX and the next event not taking effect sometimes (Jacky Bai) Link: https://lore.kernel.org/all/d0e93dbd-b796-4726-b38c-089b685591c9@linaro.org
Diffstat (limited to 'include/linux/refcount.h')
-rw-r--r--include/linux/refcount.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/refcount.h b/include/linux/refcount.h
index 59b3b752394d..35f039ecb272 100644
--- a/include/linux/refcount.h
+++ b/include/linux/refcount.h
@@ -266,12 +266,12 @@ bool __refcount_sub_and_test(int i, refcount_t *r, int *oldp)
if (oldp)
*oldp = old;
- if (old == i) {
+ if (old > 0 && old == i) {
smp_acquire__after_ctrl_dep();
return true;
}
- if (unlikely(old < 0 || old - i < 0))
+ if (unlikely(old <= 0 || old - i < 0))
refcount_warn_saturate(r, REFCOUNT_SUB_UAF);
return false;