devm_kzalloc can return NULL, add NULL checking to prevent NULL pointer
dereference.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
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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