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Commit ba98f9e5 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add err check for pin userptr 



Missing error check if the operation failed.

Signed-off-by: default avatarChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
parent 0d07db7e

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

+7 −3
Original line number Diff line number Diff line
@@ -587,9 +587,13 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, 
	uint32_t flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem);

	int r;



	if (gtt->userptr)

		amdgpu_ttm_tt_pin_userptr(ttm);



	if (gtt->userptr) {

		r = amdgpu_ttm_tt_pin_userptr(ttm);

		if (r) {

			DRM_ERROR("failed to pin userptr\n");

			return r;

		}

	}

	gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);

	if (!ttm->num_pages) {

		WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",