26 	int err;  in build_merkle_tree_level()  local
50 				err = PTR_ERR(src_page);  in build_merkle_tree_level()
53 					     err, i);  in build_merkle_tree_level()
54 				return err;  in build_merkle_tree_level()
61 				err = PTR_ERR(src_page);  in build_merkle_tree_level()
64 					     err, params->level_start[level - 1] + i);  in build_merkle_tree_level()
65 				return err;  in build_merkle_tree_level()
69 		err = fsverity_hash_page(params, inode, req, src_page,  in build_merkle_tree_level()
72 		if (err)  in build_merkle_tree_level()
73 			return err;  in build_merkle_tree_level()
84 			err = vops->write_merkle_tree_block(inode,  in build_merkle_tree_level()
88 			if (err) {  in build_merkle_tree_level()
91 					     err, dst_block_num);  in build_merkle_tree_level()
92 				return err;  in build_merkle_tree_level()
121 	int err = -ENOMEM;  in build_merkle_tree()  local
142 		err = build_merkle_tree_level(inode, level, blocks, params,  in build_merkle_tree()
144 		if (err)  in build_merkle_tree()
150 	err = 0;  in build_merkle_tree()
154 	return err;  in build_merkle_tree()
166 	int err;  in enable_verity()  local
181 		err = -EFAULT;  in enable_verity()
191 		err = -EFAULT;  in enable_verity()
199 	err = fsverity_init_merkle_tree_params(&params, inode,  in enable_verity()
203 	if (err)  in enable_verity()
212 		err = -EEXIST;  in enable_verity()
214 		err = vops->begin_enable_verity(filp);  in enable_verity()
216 	if (err)  in enable_verity()
230 	err = build_merkle_tree(inode, &params, desc->root_hash);  in enable_verity()
231 	if (err) {  in enable_verity()
232 		fsverity_err(inode, "Error %d building Merkle tree", err);  in enable_verity()
247 		err = PTR_ERR(vi);  in enable_verity()
260 	err = vops->end_enable_verity(filp, desc, desc_size, params.tree_size);  in enable_verity()
262 	if (err) {  in enable_verity()
264 			     vops->end_enable_verity, err);  in enable_verity()
267 		err = -EINVAL;  in enable_verity()
282 	return err;  in enable_verity()
303 	int err;  in fsverity_ioctl_enable()  local
331 	err = inode_permission(inode, MAY_WRITE);  in fsverity_ioctl_enable()
332 	if (err)  in fsverity_ioctl_enable()
333 		return err;  in fsverity_ioctl_enable()
344 	err = mnt_want_write_file(filp);  in fsverity_ioctl_enable()
345 	if (err) /* -EROFS */  in fsverity_ioctl_enable()
346 		return err;  in fsverity_ioctl_enable()
348 	err = deny_write_access(filp);  in fsverity_ioctl_enable()
349 	if (err) /* -ETXTBSY */  in fsverity_ioctl_enable()
352 	err = enable_verity(filp, &arg);  in fsverity_ioctl_enable()
353 	if (err)  in fsverity_ioctl_enable()
375 	return err;  in fsverity_ioctl_enable()