Commit 908a28be authored Nov 22, 2019 by Xiaojie Yuan Committed by Alex Deucher Nov 22, 2019

drm/amdgpu/gfx10: fix out-of-bound mqd_backup array access



Fixes: 0900a9ef ("drm/amdgpu/gfx10: fix mqd backup/restore for gfx rings (v2)")
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 1e902a6d

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -454,8 +454,6 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
		}

		ring = &adev->gfx.kiq.ring;
		if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring)
		kfree(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS - 1]);
		kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
		amdgpu_bo_free_kernel(&ring->mqd_obj,
		&ring->mqd_gpu_addr,

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