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

Fixes: 0bb419c76b ("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>
This commit is contained in:
Xiaojie Yuan 2019-11-22 14:21:15 -05:00 committed by Alex Deucher
parent 387d40fd6f
commit d98a07aea6
1 changed files with 0 additions and 2 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
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@ -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,