[added to the 3.18 stable tree] power_supply: ipaq_micro_battery: Fix leaking workqueue

[Sasha Levin <sasha.levin@xxxxxxxxxx>]

From: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.

===============

[ Upstream commit f852ec461e24504690445e7d281cbe806df5ccef ]

Driver allocates singlethread workqueue in probe but it is not destroyed
during removal.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Fixes: 00a588f9d27f ("power: add driver for battery reading on iPaq h3xxx")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 drivers/power/ipaq_micro_battery.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/power/ipaq_micro_battery.c b/drivers/power/ipaq_micro_battery.c
index 9d69460..698cf16 100644
--- a/drivers/power/ipaq_micro_battery.c
+++ b/drivers/power/ipaq_micro_battery.c
@@ -251,6 +251,7 @@ static int micro_batt_remove(struct platform_device *pdev)
 	power_supply_unregister(&micro_ac_power);
 	power_supply_unregister(&micro_batt_power);
 	cancel_delayed_work_sync(&mb->update);
+	destroy_workqueue(mb->wq);
 
 	return 0;
 }
-- 
2.1.0

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