On Fri, 20 Nov 2020 at 08:44, Qinglang Miao <miaoqinglang@xxxxxxxxxx> wrote:
>
> kfree(host->card) has been called in put_device so that
> another kfree would raise cause a double-free bug.
>
> Fixes: 0193383a5833 ("memstick: core: fix device_register() error handling")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
Applied for next, thanks!
Kind regards
Uffe
> ---
> drivers/memstick/core/memstick.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
> index ef03d6faf..12bc3f5a6 100644
> --- a/drivers/memstick/core/memstick.c
> +++ b/drivers/memstick/core/memstick.c
> @@ -468,7 +468,6 @@ static void memstick_check(struct work_struct *work)
> host->card = card;
> if (device_register(&card->dev)) {
> put_device(&card->dev);
> - kfree(host->card);
> host->card = NULL;
> }
> } else
> --
> 2.23.0
>
