Touching bo->resource looks like it should require first locking the object, since this state is dynamic and could potentially change from under us. It looks we can just use obj->base.size here, which avoids any issues with locking, since this is immutable state.
Signed-off-by: Matthew Auld <[email protected]> Cc: Christian König <[email protected]> Reviewed-by: Christian König <[email protected]> --- drivers/gpu/drm/ttm/ttm_bo_vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 38119311284d..e0f73f0ac086 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -412,7 +412,7 @@ int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr, << PAGE_SHIFT); int ret; - if (len < 1 || (offset + len) >> PAGE_SHIFT > bo->resource->num_pages) + if (len < 1 || (offset + len) > bo->base.size) return -EIO; ret = ttm_bo_reserve(bo, true, false, NULL); -- 2.37.3
