linux-uconsole/drivers/base/power
Rafael J. Wysocki 9311fd211a PM: sleep: Fix possible overflow in pm_system_cancel_wakeup()
[ Upstream commit 2933954b71 ]

It is not actually guaranteed that pm_abort_suspend will be
nonzero when pm_system_cancel_wakeup() is called which may lead to
subtle issues, so make it use atomic_dec_if_positive() instead of
atomic_dec() for the safety sake.

Fixes: 33e4f80ee6 ("ACPI / PM: Ignore spurious SCI wakeups from suspend-to-idle")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-27 14:51:01 +01:00
..
clock_ops.c PM / clk: signedness bug in of_pm_clk_add_clks() 2018-08-24 11:52:34 +02:00
common.c PM / Domains: Introduce dev_pm_domain_attach_by_name() 2018-07-09 12:11:02 +02:00
domain.c PM / Domains: Deal with multiple states but no governor in genpd 2019-12-01 09:16:35 +01:00
domain_governor.c PM / QoS: Fix device resume latency framework 2017-11-08 12:14:51 +01:00
generic_ops.c PM / sleep: Remove pm_complete_with_resume_check() 2017-10-11 15:40:29 +02:00
main.c PM / core: Propagate dev->power.wakeup_path when no callbacks 2019-05-31 06:46:23 -07:00
Makefile Merge branches 'pm-cpufreq-sched' and 'pm-opp' 2017-11-13 01:40:52 +01:00
power.h PM / core: Drop unused internal inline functions for sysfs 2018-05-10 11:55:12 +02:00
qos.c PM / QoS: Fix device resume latency framework 2017-11-08 12:14:51 +01:00
runtime.c driver core: Fix PM-runtime for links added during consumer probe 2020-01-27 14:50:26 +01:00
sysfs.c PM / wakeup: Export wakeup_count instead of event_count via sysfs 2018-06-06 09:23:36 +02:00
trace.c timekeeping: Ignore the bogus sleep time if pm_trace is enabled 2016-11-29 18:02:58 +01:00
wakeirq.c PM / wakeirq: Add wakeup name to dedicated wake irqs 2018-02-26 23:23:37 +01:00
wakeup.c PM: sleep: Fix possible overflow in pm_system_cancel_wakeup() 2020-01-27 14:51:01 +01:00