[PATCH] clk: clk-apple-nco: Add NULL check in applnco_probe

[Martin Povišer]

Thanks.

Reviewed-by: Martin Povišer <povik+lin at cutebit.org>

Martin

> On 14. 11. 2024, at 8:28, Charles Han <hanchunchao at inspur.com> wrote:
> 
> Add NULL check in applnco_probe, to handle kernel NULL pointer
> dereference error.
> 
> Fixes: 6641057d5dba ("clk: clk-apple-nco: Add driver for Apple NCO")
> Signed-off-by: Charles Han <hanchunchao at inspur.com>
> ---
> drivers/clk/clk-apple-nco.c | 3 +++
> 1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/clk/clk-apple-nco.c b/drivers/clk/clk-apple-nco.c
> index 39472a51530a..457a48d48941 100644
> --- a/drivers/clk/clk-apple-nco.c
> +++ b/drivers/clk/clk-apple-nco.c
> @@ -297,6 +297,9 @@ static int applnco_probe(struct platform_device *pdev)
> memset(&init, 0, sizeof(init));
> init.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
> "%s-%d", np->name, i);
> + if (!init.name)
> + return -ENOMEM;
> +
> init.ops = &applnco_ops;
> init.parent_data = &pdata;
> init.num_parents = 1;
> -- 
> 2.31.1
> 
>