Messages in this thread Patch in this message | | | From | Kangjie Lu <> | Subject | [PATCH] power: charger-manager: fix a potential NULL pointer dereference | Date | Thu, 14 Mar 2019 01:02:47 -0500 |
| |
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
| |