56 	int err;  in build_merkle_tree_level()  local
83 				err = PTR_ERR(src_page);  in build_merkle_tree_level()
86 					     err, i);  in build_merkle_tree_level()
87 				return err;  in build_merkle_tree_level()
99 				err = PTR_ERR(src_page);  in build_merkle_tree_level()
102 					     err, params->level_start[level - 1] + i);  in build_merkle_tree_level()
103 				return err;  in build_merkle_tree_level()
107 		err = fsverity_hash_page(params, inode, req, src_page,  in build_merkle_tree_level()
110 		if (err)  in build_merkle_tree_level()
111 			return err;  in build_merkle_tree_level()
122 			err = vops->write_merkle_tree_block(inode,  in build_merkle_tree_level()
126 			if (err) {  in build_merkle_tree_level()
129 					     err, dst_block_num);  in build_merkle_tree_level()
130 				return err;  in build_merkle_tree_level()
160 	int err = -ENOMEM;  in build_merkle_tree()  local
183 		err = build_merkle_tree_level(filp, level, blocks, params,  in build_merkle_tree()
185 		if (err)  in build_merkle_tree()
191 	err = 0;  in build_merkle_tree()
195 	return err;  in build_merkle_tree()
207 	int err;  in enable_verity()  local
221 		err = -EFAULT;  in enable_verity()
230 		err = -EFAULT;  in enable_verity()
238 	err = fsverity_init_merkle_tree_params(&params, inode,  in enable_verity()
242 	if (err)  in enable_verity()
251 		err = -EEXIST;  in enable_verity()
253 		err = vops->begin_enable_verity(filp);  in enable_verity()
255 	if (err)  in enable_verity()
269 	err = build_merkle_tree(filp, &params, desc->root_hash);  in enable_verity()
270 	if (err) {  in enable_verity()
271 		fsverity_err(inode, "Error %d building Merkle tree", err);  in enable_verity()
286 		err = PTR_ERR(vi);  in enable_verity()
299 	err = vops->end_enable_verity(filp, desc, desc_size, params.tree_size);  in enable_verity()
301 	if (err) {  in enable_verity()
303 			     vops->end_enable_verity, err);  in enable_verity()
306 		err = -EINVAL;  in enable_verity()
321 	return err;  in enable_verity()
344 	int err;  in fsverity_ioctl_enable()  local
372 	err = inode_permission(inode, MAY_WRITE);  in fsverity_ioctl_enable()
373 	if (err)  in fsverity_ioctl_enable()
374 		return err;  in fsverity_ioctl_enable()
385 	err = mnt_want_write_file(filp);  in fsverity_ioctl_enable()
386 	if (err) /* -EROFS */  in fsverity_ioctl_enable()
387 		return err;  in fsverity_ioctl_enable()
389 	err = deny_write_access(filp);  in fsverity_ioctl_enable()
390 	if (err) /* -ETXTBSY */  in fsverity_ioctl_enable()
393 	err = enable_verity(filp, &arg);  in fsverity_ioctl_enable()
418 	return err;  in fsverity_ioctl_enable()