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-rw-r--r--drivers/base/power/wakeup.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index f1fee72ed970..a25d2d82f44d 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -118,7 +118,6 @@ void wakeup_source_drop(struct wakeup_source *ws)
if (!ws)
return;
- del_timer_sync(&ws->timer);
__pm_relax(ws);
}
EXPORT_SYMBOL_GPL(wakeup_source_drop);
@@ -205,6 +204,13 @@ void wakeup_source_remove(struct wakeup_source *ws)
list_del_rcu(&ws->entry);
raw_spin_unlock_irqrestore(&events_lock, flags);
synchronize_srcu(&wakeup_srcu);
+
+ del_timer_sync(&ws->timer);
+ /*
+ * Clear timer.function to make wakeup_source_not_registered() treat
+ * this wakeup source as not registered.
+ */
+ ws->timer.function = NULL;
}
EXPORT_SYMBOL_GPL(wakeup_source_remove);