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drm/amdgpu: add err check for pin userptr
Missing error check if the operation failed. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com>
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1 changed files with 7 additions and 3 deletions
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@ -587,9 +587,13 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm,
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uint32_t flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem);
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int r;
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if (gtt->userptr)
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amdgpu_ttm_tt_pin_userptr(ttm);
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if (gtt->userptr) {
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r = amdgpu_ttm_tt_pin_userptr(ttm);
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if (r) {
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DRM_ERROR("failed to pin userptr\n");
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return r;
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}
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}
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gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);
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if (!ttm->num_pages) {
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WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",
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