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| author | Alex Xie <AlexBin.Xie@amd.com> | 2016-12-01 01:19:40 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-12-07 02:08:32 +0300 |
| commit | 1cd99a8d97c90e04d526d843f2be950f6e4e3bd2 (patch) | |
| tree | 08a90e16d035a87e91bdb7e64aebab0e262e2912 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | f5f857f45d3371d032f016dd9f123a93bdf3eefc (diff) | |
| download | linux-1cd99a8d97c90e04d526d843f2be950f6e4e3bd2.tar.xz | |
drm/amd/amdgpu: validate the shadow BO.
Fixes a rare NULL pointer dereference in amdgpu_ttm_bind.
The issue was found by Nicolai Haehnle.
The patch was tested by Nicolai Haehnle.
Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 5a277495d6a3..29d6d84d1c28 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -451,7 +451,7 @@ static int amdgpu_cs_validate(void *param, struct amdgpu_bo *bo) return r; if (bo->shadow) - r = amdgpu_cs_bo_validate(p, bo); + r = amdgpu_cs_bo_validate(p, bo->shadow); return r; } |