Messages in this thread Patch in this message | | | From | Christophe JAILLET <> | Subject | [PATCH 1/3] power: supply: charger-manager: Fix a NULL pointer dereference in 'charger_manager_probe()' | Date | Mon, 7 Aug 2017 00:37:55 +0200 |
| |
'devm_kzalloc()' can return NULL. Return -ENOMEM in this case in order to avoid a NULL pointer dereference later on.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- drivers/power/supply/charger-manager.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c index adc3761831e1..52a49857e20f 100644 --- a/drivers/power/supply/charger-manager.c +++ b/drivers/power/supply/charger-manager.c @@ -1645,6 +1645,8 @@ static int charger_manager_probe(struct platform_device *pdev) /* Initialize alarm timer */ if (alarmtimer_get_rtcdev()) { cm_timer = devm_kzalloc(cm->dev, sizeof(*cm_timer), GFP_KERNEL); + if (!cm_timer) + return -ENOMEM; alarm_init(cm_timer, ALARM_BOOTTIME, cm_timer_func); } -- 2.11.0
| |