152 	struct fsverity_info *vi;  in fsverity_create_info()  local
184 	vi = kmem_cache_zalloc(fsverity_info_cachep, GFP_KERNEL);  in fsverity_create_info()
185 	if (!vi)  in fsverity_create_info()
187 	vi->inode = inode;  in fsverity_create_info()
189 	err = fsverity_init_merkle_tree_params(&vi->tree_params, inode,  in fsverity_create_info()
200 	memcpy(vi->root_hash, desc->root_hash, vi->tree_params.digest_size);  in fsverity_create_info()
202 	err = compute_file_measurement(vi->tree_params.hash_alg, desc,  in fsverity_create_info()
203 				       vi->measurement);  in fsverity_create_info()
209 		 vi->tree_params.hash_alg->name,  in fsverity_create_info()
210 		 vi->tree_params.digest_size, vi->measurement);  in fsverity_create_info()
212 	err = fsverity_verify_signature(vi, desc, desc_size);  in fsverity_create_info()
215 		fsverity_free_info(vi);  in fsverity_create_info()
216 		vi = ERR_PTR(err);  in fsverity_create_info()
218 	return vi;  in fsverity_create_info()
221 void fsverity_set_info(struct inode *inode, struct fsverity_info *vi)  in fsverity_set_info()  argument
229 	if (cmpxchg_release(&inode->i_verity_info, NULL, vi) != NULL) {  in fsverity_set_info()
231 		fsverity_free_info(vi);  in fsverity_set_info()
240 void fsverity_free_info(struct fsverity_info *vi)  in fsverity_free_info()  argument
242 	if (!vi)  in fsverity_free_info()
244 	kfree(vi->tree_params.hashstate);  in fsverity_free_info()
245 	kmem_cache_free(fsverity_info_cachep, vi);  in fsverity_free_info()
251 	struct fsverity_info *vi = fsverity_get_info(inode);  in ensure_verity_info()  local
255 	if (vi)  in ensure_verity_info()
278 	vi = fsverity_create_info(inode, desc, res);  in ensure_verity_info()
279 	if (IS_ERR(vi)) {  in ensure_verity_info()
280 		res = PTR_ERR(vi);  in ensure_verity_info()
284 	fsverity_set_info(inode, vi);  in ensure_verity_info()