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-rw-r--r--drivers/input/keyboard/atkbd.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 1cf32a7814d0..7b4056292eaf 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -855,10 +855,16 @@ static void atkbd_disconnect(struct serio *serio)
atkbd_disable(atkbd);
- /* make sure we don't have a command in flight */
+ input_unregister_device(atkbd->dev);
+
+ /*
+ * Make sure we don't have a command in flight.
+ * Note that since atkbd->enabled is false event work will keep
+ * rescheduling itself until it gets canceled and will not try
+ * accessing freed input device or serio port.
+ */
cancel_delayed_work_sync(&atkbd->event_work);
- input_unregister_device(atkbd->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
kfree(atkbd);