183 	struct fsverity_info *vi;  in fsverity_create_info()  local
186 	vi = kmem_cache_zalloc(fsverity_info_cachep, GFP_KERNEL);  in fsverity_create_info()
187 	if (!vi)  in fsverity_create_info()
189 	vi->inode = inode;  in fsverity_create_info()
191 	err = fsverity_init_merkle_tree_params(&vi->tree_params, inode,  in fsverity_create_info()
202 	memcpy(vi->root_hash, desc->root_hash, vi->tree_params.digest_size);  in fsverity_create_info()
204 	err = compute_file_digest(vi->tree_params.hash_alg, desc,  in fsverity_create_info()
205 				  vi->file_digest);  in fsverity_create_info()
211 	err = fsverity_verify_signature(vi, desc->signature,  in fsverity_create_info()
216 	if (vi->tree_params.block_size != PAGE_SIZE) {  in fsverity_create_info()
232 			vi->tree_params.tree_pages <<  in fsverity_create_info()
233 			vi->tree_params.log_blocks_per_page;  in fsverity_create_info()
235 		vi->hash_block_verified = kvcalloc(BITS_TO_LONGS(num_bits),  in fsverity_create_info()
238 		if (!vi->hash_block_verified) {  in fsverity_create_info()
242 		spin_lock_init(&vi->hash_page_init_lock);  in fsverity_create_info()
245 	return vi;  in fsverity_create_info()
248 	fsverity_free_info(vi);  in fsverity_create_info()
252 void fsverity_set_info(struct inode *inode, struct fsverity_info *vi)  in fsverity_set_info()  argument
260 	if (cmpxchg_release(&inode->i_verity_info, NULL, vi) != NULL) {  in fsverity_set_info()
262 		fsverity_free_info(vi);  in fsverity_set_info()
271 void fsverity_free_info(struct fsverity_info *vi)  in fsverity_free_info()  argument
273 	if (!vi)  in fsverity_free_info()
275 	kfree(vi->tree_params.hashstate);  in fsverity_free_info()
276 	kvfree(vi->hash_block_verified);  in fsverity_free_info()
277 	kmem_cache_free(fsverity_info_cachep, vi);  in fsverity_free_info()
364 	struct fsverity_info *vi = fsverity_get_info(inode);  in ensure_verity_info()  local
368 	if (vi)  in ensure_verity_info()
375 	vi = fsverity_create_info(inode, desc);  in ensure_verity_info()
376 	if (IS_ERR(vi)) {  in ensure_verity_info()
377 		err = PTR_ERR(vi);  in ensure_verity_info()
381 	fsverity_set_info(inode, vi);  in ensure_verity_info()