[PATCH 5.10 1/1] drm/amdgpu: Ensure the AMDGPU file descriptor is legitimate

[Greg KH]

On Tue, Apr 12, 2022 at 04:20:57PM +0100, Lee Jones wrote:
> [ Upstream commit b40a6ab2cf9213923bf8e821ce7fa7f6a0a26990 ]
> 
> This is a partial cherry-pick of the above upstream commit.
> 
> It ensures the file descriptor passed in by userspace is a valid one.
> 
> Cc: Felix Kuehling <Felix.Kuehling at amd.com>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Cc: "Christian König" <christian.koenig at amd.com>
> Cc: David Airlie <airlied at linux.ie>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Cc: amd-gfx at lists.freedesktop.org
> Cc: dri-devel at lists.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones at linaro.org>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)

Now queued up, thanks.

greg k-h