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Subject[PATCH] power: charger-manager: fix a potential NULL pointer dereference
Date
In case create_freezable_workqueue fails, the fix return -ENOMEM
to avoid a potential NULL pointer dereference.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
---
drivers/power/supply/charger-manager.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c
index 38be91f21cc4..d29c4f338157 100644
--- a/drivers/power/supply/charger-manager.c
+++ b/drivers/power/supply/charger-manager.c
@@ -1987,6 +1987,9 @@ static struct platform_driver charger_manager_driver = {
static int __init charger_manager_init(void)
{
cm_wq = create_freezable_workqueue("charger_manager");
+ if (unlikely(!cm_wq))
+ return -ENOMEM;
+
INIT_DELAYED_WORK(&cm_monitor_work, cm_monitor_poller);

return platform_driver_register(&charger_manager_driver);
--
2.17.1
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