@@ -1044,11 +1044,15 @@ int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd,
struct dma_fence **ef)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
- struct drm_file *drm_priv = filp->private_data;
- struct amdgpu_fpriv *drv_priv = drm_priv->driver_priv;
- struct amdgpu_vm *avm = &drv_priv->vm;
+ struct amdgpu_fpriv *drv_priv;
+ struct amdgpu_vm *avm;
int ret;
+ ret = amdgpu_file_to_fpriv(filp, &drv_priv);
+ if (ret)
+ return ret;
+ avm = &drv_priv->vm;
+
/* Already a compute VM? */
if (avm->process_info)
return -EINVAL;
[ 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@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)