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| author |   Axel Lin <axel.lin@ingics.com> | 2016-09-09 18:03:54 +0800 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2016-09-22 00:14:41 +0200 |
| commit | 473195f80f3940afc8a1461831d74f9a44bba538 (patch) | |
| tree | 8807076c4bd088a3923d6b765981f1002e2f701e /drivers/rtc/rtc-ac100.c | |
| parent | rtc: ds1347: changed raw spi calls to register map calls (diff) | |
| download | wireguard-linux-473195f80f3940afc8a1461831d74f9a44bba538.tar.xz wireguard-linux-473195f80f3940afc8a1461831d74f9a44bba538.zip | |
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 <axel.lin@ingics.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/rtc-ac100.c')
| -rw-r--r-- | drivers/rtc/rtc-ac100.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-ac100.c b/drivers/rtc/rtc-ac100.c index 2d0bb02a25d9..9e336184491c 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; |