152 	struct fsverity_info *vi;  in fsverity_create_info()  local
155 	vi = kmem_cache_zalloc(fsverity_info_cachep, GFP_KERNEL);  in fsverity_create_info()
156 	if (!vi)  in fsverity_create_info()
158 	vi->inode = inode;  in fsverity_create_info()
160 	err = fsverity_init_merkle_tree_params(&vi->tree_params, inode,  in fsverity_create_info()
171 	memcpy(vi->root_hash, desc->root_hash, vi->tree_params.digest_size);  in fsverity_create_info()
173 	err = compute_file_digest(vi->tree_params.hash_alg, desc,  in fsverity_create_info()
174 				  vi->file_digest);  in fsverity_create_info()
180 		 vi->tree_params.hash_alg->name,  in fsverity_create_info()
181 		 vi->tree_params.digest_size, vi->file_digest);  in fsverity_create_info()
183 	err = fsverity_verify_signature(vi, desc->signature,  in fsverity_create_info()
187 		fsverity_free_info(vi);  in fsverity_create_info()
188 		vi = ERR_PTR(err);  in fsverity_create_info()
190 	return vi;  in fsverity_create_info()
193 void fsverity_set_info(struct inode *inode, struct fsverity_info *vi)  in fsverity_set_info()  argument
201 	if (cmpxchg_release(&inode->i_verity_info, NULL, vi) != NULL) {  in fsverity_set_info()
203 		fsverity_free_info(vi);  in fsverity_set_info()
212 void fsverity_free_info(struct fsverity_info *vi)  in fsverity_free_info()  argument
214 	if (!vi)  in fsverity_free_info()
216 	kfree(vi->tree_params.hashstate);  in fsverity_free_info()
217 	kmem_cache_free(fsverity_info_cachep, vi);  in fsverity_free_info()
304 	struct fsverity_info *vi = fsverity_get_info(inode);  in ensure_verity_info()  local
308 	if (vi)  in ensure_verity_info()
315 	vi = fsverity_create_info(inode, desc);  in ensure_verity_info()
316 	if (IS_ERR(vi)) {  in ensure_verity_info()
317 		err = PTR_ERR(vi);  in ensure_verity_info()
321 	fsverity_set_info(inode, vi);  in ensure_verity_info()