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power: supply: charger-manager: Fix a NULL pointer dereference in 'charger_manager_probe()'

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'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 <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
This commit is contained in:
Christophe JAILLET 2017-08-07 00:37:55 +02:00 • committed by Sebastian Reichel
commit 096fc160b7
1 changed files with 2 additions and 0 deletions
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2
drivers/power/supply/charger-manager.c
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@ -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);
}