Commit 473195f8 authored by Axel Lin's avatar Axel Lin Committed by Alexandre Belloni
Browse files

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: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent ee85bb5b

drivers/rtc/rtc-ac100.c

+3 −0
Original line number Diff line number Diff line
@@ -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;