summaryrefslogtreecommitdiff
path: root/drivers/power
diff options
context:
space:
mode:
authorKangjie Lu <kjlu@umn.edu>2019-03-14 01:02:47 -0500
committerSebastian Reichel <sebastian.reichel@collabora.com>2019-04-05 16:00:06 +0200
commit75cf4f5aa903604e1bd7bec2c0988d643c6fb946 (patch)
tree1bb147557aeadd2e10a11b2f0ad97f8b8f1fde0c /drivers/power
parent077d9951f7c9ef5845fdcf4363d3a4630d142e4f (diff)
power: charger-manager: fix a potential NULL pointer dereference
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> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/charger-manager.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c
index 2e8db5e6de0b..a6900aa0d2ed 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);