On Tue, Dec 4, 2018 at 5:21 AM Ioana Ciornei <ioana.cior...@nxp.com> wrote:
>
> The dpio_by_cpu array should not contain a reference to a freed dpaa2_io
> object. This patch adds the necessary cleanup in dpaa2_io_down.
Applied. Thanks.
>
> Signed-off-by: Ioana Ciornei <ioana.cior...@nxp.com>
> ---
> Changes in v2:
> - none
>
> drivers/soc/fsl/dpio/dpio-service.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/soc/fsl/dpio/dpio-service.c
> b/drivers/soc/fsl/dpio/dpio-service.c
> index 9b17f72..21c3e32 100644
> --- a/drivers/soc/fsl/dpio/dpio-service.c
> +++ b/drivers/soc/fsl/dpio/dpio-service.c
> @@ -160,6 +160,11 @@ struct dpaa2_io *dpaa2_io_create(const struct
> dpaa2_io_desc *desc)
> */
> void dpaa2_io_down(struct dpaa2_io *d)
> {
> + spin_lock(&dpio_list_lock);
> + dpio_by_cpu[d->dpio_desc.cpu] = NULL;
> + list_del(&d->node);
> + spin_unlock(&dpio_list_lock);
> +
> kfree(d);
> }
>
> --
> 1.9.1
>
