151 	struct fsverity_info *vi;  in fsverity_create_info()  local
183 	vi = kmem_cache_zalloc(fsverity_info_cachep, GFP_KERNEL);  in fsverity_create_info()
184 	if (!vi)  in fsverity_create_info()
186 	vi->inode = inode;  in fsverity_create_info()
188 	err = fsverity_init_merkle_tree_params(&vi->tree_params, inode,  in fsverity_create_info()
199 	memcpy(vi->root_hash, desc->root_hash, vi->tree_params.digest_size);  in fsverity_create_info()
201 	err = compute_file_measurement(vi->tree_params.hash_alg, desc,  in fsverity_create_info()
202 				       vi->measurement);  in fsverity_create_info()
208 		 vi->tree_params.hash_alg->name,  in fsverity_create_info()
209 		 vi->tree_params.digest_size, vi->measurement);  in fsverity_create_info()
211 	err = fsverity_verify_signature(vi, desc, desc_size);  in fsverity_create_info()
214 		fsverity_free_info(vi);  in fsverity_create_info()
215 		vi = ERR_PTR(err);  in fsverity_create_info()
217 	return vi;  in fsverity_create_info()
220 void fsverity_set_info(struct inode *inode, struct fsverity_info *vi)  in fsverity_set_info()  argument
226 	if (cmpxchg(&inode->i_verity_info, NULL, vi) != NULL)  in fsverity_set_info()
227 		fsverity_free_info(vi);  in fsverity_set_info()
230 void fsverity_free_info(struct fsverity_info *vi)  in fsverity_free_info()  argument
232 	if (!vi)  in fsverity_free_info()
234 	kfree(vi->tree_params.hashstate);  in fsverity_free_info()
235 	kmem_cache_free(fsverity_info_cachep, vi);  in fsverity_free_info()
241 	struct fsverity_info *vi = fsverity_get_info(inode);  in ensure_verity_info()  local
245 	if (vi)  in ensure_verity_info()
268 	vi = fsverity_create_info(inode, desc, res);  in ensure_verity_info()
269 	if (IS_ERR(vi)) {  in ensure_verity_info()
270 		res = PTR_ERR(vi);  in ensure_verity_info()
274 	fsverity_set_info(inode, vi);  in ensure_verity_info()