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| author | Ma Ke <make24@iscas.ac.cn> | 2024-09-05 04:09:17 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2024-10-01 14:03:34 +0200 |
| commit | 665a58fe663ac7a9ea618dc0b29881649324b116 (patch) | |
| tree | ba0256ddb780a7f0fe903e7819dae5b7820be0c8 /drivers/pinctrl/pinctrl-apple-gpio.c | |
| parent | Linux 6.12-rc1 (diff) | |
| download | linux-665a58fe663ac7a9ea618dc0b29881649324b116.tar.xz linux-665a58fe663ac7a9ea618dc0b29881649324b116.zip | |
pinctrl: apple: check devm_kasprintf() returned value
devm_kasprintf() can return a NULL pointer on failure but this returned
value is not checked. Fix this lack and check the returned value.
Found by code review.
Cc: stable@vger.kernel.org
Fixes: a0f160ffcb83 ("pinctrl: add pinctrl/GPIO driver for Apple SoCs")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/20240905020917.356534-1-make24@iscas.ac.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/pinctrl/pinctrl-apple-gpio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-apple-gpio.c b/drivers/pinctrl/pinctrl-apple-gpio.c index 3751c7de37aa..f861e63f4115 100644 --- a/drivers/pinctrl/pinctrl-apple-gpio.c +++ b/drivers/pinctrl/pinctrl-apple-gpio.c @@ -474,6 +474,9 @@ static int apple_gpio_pinctrl_probe(struct platform_device *pdev) for (i = 0; i < npins; i++) { pins[i].number = i; pins[i].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "PIN%u", i); + if (!pins[i].name) + return -ENOMEM; + pins[i].drv_data = pctl; pin_names[i] = pins[i].name; pin_nums[i] = i; |