Hi Uwe,
On 11/24/20 2:31 PM, Uwe Kleine-König wrote:
> From: Uwe Kleine-König <[email protected]>
>
> vfio_platform_remove_common() cannot return non-NULL in
> vfio_amba_remove() as the latter is only called if vfio_amba_probe()
> returned success.
>
> Diagnosed-by: Arnd Bergmann <[email protected]>
> Signed-off-by: Uwe Kleine-König <[email protected]>
Acked-by: Eric Auger <[email protected]>
Thanks
Eric
> ---
> drivers/vfio/platform/vfio_amba.c | 14 +++++---------
> 1 file changed, 5 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/vfio/platform/vfio_amba.c b/drivers/vfio/platform/vfio_amba.c
> index 9636a2afaecd..7b3ebf1558e1 100644
> --- a/drivers/vfio/platform/vfio_amba.c
> +++ b/drivers/vfio/platform/vfio_amba.c
> @@ -73,16 +73,12 @@ static int vfio_amba_probe(struct amba_device *adev, const struct amba_id *id)
>
> static int vfio_amba_remove(struct amba_device *adev)
> {
> - struct vfio_platform_device *vdev;
> -
> - vdev = vfio_platform_remove_common(&adev->dev);
> - if (vdev) {
> - kfree(vdev->name);
> - kfree(vdev);
> - return 0;
> - }
> + struct vfio_platform_device *vdev =
> + vfio_platform_remove_common(&adev->dev);
>
> - return -EINVAL;
> + kfree(vdev->name);
> + kfree(vdev);
> + return 0;
> }
>
> static const struct amba_id pl330_ids[] = {
>