rtc: ac100: Add NULL checking for devm_kzalloc call

devm_kzalloc can return NULL, add NULL checking to prevent NULL pointer
dereference.

Signed-off-by: Axel Lin <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
This commit is contained in:
Axel Lin 2016-09-09 18:03:54 +08:00 • committed by Alexandre Belloni
commit 473195f80f

View file

@ -554,6 +554,9 @@ static int ac100_rtc_probe(struct platform_device *pdev)
int ret;
chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
platform_set_drvdata(pdev, chip);
chip->dev = &pdev->dev;
chip->regmap = ac100->regmap;