Re: [PATCH v2] drm/virtio: Fix NULL vs IS_ERR checking in virtio_gpu_object_shmem_init

From: Chia-I Wu
Date: Sun Jun 12 2022 - 00:18:54 EST


On Thu, Jun 2, 2022 at 3:42 AM Miaoqian Lin <linmq006@xxxxxxxxx> wrote:
>
> Since drm_prime_pages_to_sg() function return error pointers.
> The drm_gem_shmem_get_sg_table() function returns error pointers too.
> Using IS_ERR() to check the return value to fix this.
>
> Fixes: 2f2aa13724d5 ("drm/virtio: move virtio_gpu_mem_entry initialization to new function")
> Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
> ---
> changes in v2:
> - Update Fixes tag.
> - rebase the working tree.
> v1 Link: https://lore.kernel.org/all/20211222072649.18169-1-linmq006@xxxxxxxxx/
Reviewed-by: Chia-I Wu <olvaffe@xxxxxxxxx>