bq27x00_battery: Fix OOPS caused by unregistring bq27x00 driver
* power_supply_unregister call bq27x00_battery_get_property which
call bq27x00_battery_poll
* make sure that bq27x00_battery_poll will not call
schedule_delayed_work again after unregister (which cause OOPS)
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 82ab6ca..98bf567 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -598,6 +598,14 @@
static void bq27x00_powersupply_unregister(struct bq27x00_device_info *di)
{
+ /*
+ * power_supply_unregister call bq27x00_battery_get_property which
+ * call bq27x00_battery_poll.
+ * Make sure that bq27x00_battery_poll will not call
+ * schedule_delayed_work again after unregister (which cause OOPS).
+ */
+ poll_interval = 0;
+
cancel_delayed_work_sync(&di->work);
power_supply_unregister(&di->bat);