2019-12-19 17:49:03

by Marc Dietrich

[permalink] [raw]
Subject: Re: [PATCH 1/1] staging: nvec: check return value

Hello Xidong,

On Wed, 18 Dec 2019, Xidong Wang wrote:

> In nvec_kbd_probe(), the return value of devm_input_allocate_device()
> should be checked before it is used.
>
> Signed-off-by: Xidong Wang <[email protected]>

looks good to me. Thanks!

Acked-by: Marc Dietrich <[email protected]>

> ---
> drivers/staging/nvec/nvec_kbd.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/staging/nvec/nvec_kbd.c b/drivers/staging/nvec/nvec_kbd.c
> index 01dbb66..386d619 100644
> --- a/drivers/staging/nvec/nvec_kbd.c
> +++ b/drivers/staging/nvec/nvec_kbd.c
> @@ -123,6 +123,8 @@ static int nvec_kbd_probe(struct platform_device *pdev)
> keycodes[j++] = extcode_tab_us102[i];
>
> idev = devm_input_allocate_device(&pdev->dev);
> + if (!idev)
> + return -ENOMEM;
> idev->name = "nvec keyboard";
> idev->phys = "nvec";
> idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_LED);
> --
> 2.7.4
>
>