Re: [PATCH v2] drm/virtio: Fix an NULL vs IS_ERR() bug in virtio_gpu_object_shmem_init()

[Chia-I Wu <olvaffe@xxxxxxxxx>]

On Thu, Nov 18, 2021 at 3:16 AM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
>
> The drm_gem_shmem_get_sg_table() function never returns NULL.  It returns
> error pointers on error.
>
> Fixes: c66df701e783 ("drm/virtio: switch from ttm to gem shmem helpers")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
> v2: I originally sent this patch on 19 Jun 2020 but it was somehow
>     not applied.  As I review it now, I see that the bug is actually
>     older than I originally thought and so I have updated the Fixes
>     tag.
Reviewed-by: Chia-I Wu <olvaffe@xxxxxxxxx>