Re: [PATCH] PNP: fix name memory leak in pnp_alloc_dev()

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On Thu, Nov 10, 2022 at 4:30 PM Yang Yingliang <yangyingliang@xxxxxxxxxx> wrote:
>
> Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's

After

> bus_id string array"), the name of device is allocated dynamically,
> it need be freed in the error path.
>
> Fixes: 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array")
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> ---
>  drivers/pnp/core.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
> index 4df5aa6a309c..bb3976566822 100644
> --- a/drivers/pnp/core.c
> +++ b/drivers/pnp/core.c
> @@ -152,6 +152,7 @@ struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id,
>
>         dev_id = pnp_add_id(dev, pnpid);
>         if (!dev_id) {
> +               kfree_const(dev->dev.kobj.name);

Would be better to move the dev_set_name() invocation after this if () unstead.

>                 kfree(dev);
>                 return NULL;
>         }
> --



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