Reviewed-by: Harry Wentland <harry.wentland at amd.com>
Harry
On 2017-04-03 02:41 PM, Dan Carpenter wrote:
> We accidentally dereference "cb" if the kmalloc() fails.
>
> Fixes: 451bc8eb8fe6 ("drm/amdgpu: fix PRT teardown on VM fini v3")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 0235d7933efd..45a1bcfc41f7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -1518,7 +1518,7 @@ static void amdgpu_vm_add_prt_cb(struct amdgpu_device *adev,
> if (fence)
> dma_fence_wait(fence, false);
>
> - amdgpu_vm_prt_put(cb->adev);
> + amdgpu_vm_prt_put(adev);
> } else {
> cb->adev = adev;
> if (!fence || dma_fence_add_callback(fence, &cb->cb,
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