[rtc-linux] [PATCH] rtc: ac100: Add NULL checking for devm_kzalloc call
From: Axel Lin <hidden>
Date: 2016-09-09 10:04:04
Subsystem:
real time clock (rtc) subsystem, the rest · Maintainers:
Alexandre Belloni, Linus Torvalds
devm_kzalloc can return NULL, add NULL checking to prevent NULL pointer dereference. Signed-off-by: Axel Lin <redacted> --- drivers/rtc/rtc-ac100.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/rtc/rtc-ac100.c b/drivers/rtc/rtc-ac100.c
index 2d0bb02..9e33618 100644
--- a/drivers/rtc/rtc-ac100.c
+++ b/drivers/rtc/rtc-ac100.c@@ -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;
--
2.7.4
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