Viresh Kumar
6f76eeca25
PM / wakeup: Rework wakeup source timer cancellation ...
commit 1fad17fb1bbcd73159c2b992668a6957ecc5af8a upstream.
If wakeup_source_add() is called right after wakeup_source_remove()
for the same wakeup source, timer_setup() may be called for a
potentially scheduled timer which is incorrect.
To avoid that, move the wakeup source timer cancellation from
wakeup_source_drop() to wakeup_source_remove().
Moreover, make wakeup_source_remove() clear the timer function after
canceling the timer to let wakeup_source_not_registered() treat
unregistered wakeup sources in the same way as the ones that have
never been registered.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 4.4+ <stable@vger.kernel.org> # 4.4+
[ rjw: Subject, changelog, merged two patches together ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-23 13:19:53 +01:00
PM / wakeup: Rework wakeup source timer cancellation
2019-03-23 13:19:53 +01:00
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Merge 4.5-rc4 into driver-core-next
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2016-06-13 15:58:27 +02:00
6f76eeca25