74 	int err = 0;  in check_dev_ioctl_version()  local
83 		err = -EINVAL;  in check_dev_ioctl_version()
90 	return err;  in check_dev_ioctl_version()
131 	int err;  in validate_dev_ioctl()  local
133 	err = check_dev_ioctl_version(cmd, param);  in validate_dev_ioctl()
134 	if (err) {  in validate_dev_ioctl()
141 		err = invalid_str(param->path,  in validate_dev_ioctl()
143 		if (err) {  in validate_dev_ioctl()
150 		err = check_name(param->path);  in validate_dev_ioctl()
151 		if (err) {  in validate_dev_ioctl()
158 	err = 0;  in validate_dev_ioctl()
160 	return err;  in validate_dev_ioctl()
207 	unsigned int err;  in autofs_dev_ioctl_find_super()  local
209 	err = -ENOENT;  in autofs_dev_ioctl_find_super()
229 				err = 0;  in autofs_dev_ioctl_find_super()
235 	return err;  in autofs_dev_ioctl_find_super()
246 	unsigned int err;  in autofs_dev_ioctl_find_sbi_type()  local
248 	err = -ENOENT;  in autofs_dev_ioctl_find_sbi_type()
262 			err = 0;  in autofs_dev_ioctl_find_sbi_type()
267 	return err;  in autofs_dev_ioctl_find_sbi_type()
292 	int err, fd;  in autofs_dev_ioctl_open_mountpoint()  local
297 		err = path_lookup(path, LOOKUP_PARENT, &nd);  in autofs_dev_ioctl_open_mountpoint()
298 		if (err)  in autofs_dev_ioctl_open_mountpoint()
306 		err = autofs_dev_ioctl_find_super(&nd, devid);  in autofs_dev_ioctl_open_mountpoint()
307 		if (err) {  in autofs_dev_ioctl_open_mountpoint()
315 			err = PTR_ERR(filp);  in autofs_dev_ioctl_open_mountpoint()
326 	return err;  in autofs_dev_ioctl_open_mountpoint()
336 	int err, fd;  in autofs_dev_ioctl_openmount()  local
347 	err = 0;  in autofs_dev_ioctl_openmount()
350 		err = fd;  in autofs_dev_ioctl_openmount()
356 	return err;  in autofs_dev_ioctl_openmount()
414 	int err = 0;  in autofs_dev_ioctl_setpipefd()  local
428 			err = -EPIPE;  in autofs_dev_ioctl_setpipefd()
439 	return err;  in autofs_dev_ioctl_setpipefd()
483 	int err = -ENOENT;  in autofs_dev_ioctl_requester()  local
486 		err = -EINVAL;  in autofs_dev_ioctl_requester()
496 	err = path_lookup(path, LOOKUP_PARENT, &nd);  in autofs_dev_ioctl_requester()
497 	if (err)  in autofs_dev_ioctl_requester()
500 	err = autofs_dev_ioctl_find_super(&nd, devid);  in autofs_dev_ioctl_requester()
501 	if (err)  in autofs_dev_ioctl_requester()
506 		err = 0;  in autofs_dev_ioctl_requester()
517 	return err;  in autofs_dev_ioctl_requester()
530 	int err = -EAGAIN;  in autofs_dev_ioctl_expire()  local
548 		err = autofs4_wait(sbi, dentry, NFY_EXPIRE);  in autofs_dev_ioctl_expire()
561 	return err;  in autofs_dev_ioctl_expire()
605 	int err = -ENOENT;  in autofs_dev_ioctl_ismountpoint()  local
608 		err = -EINVAL;  in autofs_dev_ioctl_ismountpoint()
622 			err = path_lookup(path, LOOKUP_FOLLOW, &nd);  in autofs_dev_ioctl_ismountpoint()
623 			if (err)  in autofs_dev_ioctl_ismountpoint()
631 			err = path_lookup(path, LOOKUP_PARENT, &nd);  in autofs_dev_ioctl_ismountpoint()
632 			if (err)  in autofs_dev_ioctl_ismountpoint()
635 			err = autofs_dev_ioctl_find_sbi_type(&nd, type);  in autofs_dev_ioctl_ismountpoint()
636 			if (err)  in autofs_dev_ioctl_ismountpoint()
643 		err = 0;  in autofs_dev_ioctl_ismountpoint()
646 			err = 1;  in autofs_dev_ioctl_ismountpoint()
652 		err = path_lookup(path, LOOKUP_PARENT, &nd);  in autofs_dev_ioctl_ismountpoint()
653 		if (err)  in autofs_dev_ioctl_ismountpoint()
656 		err = autofs_dev_ioctl_find_super(&nd, dev);  in autofs_dev_ioctl_ismountpoint()
657 		if (err)  in autofs_dev_ioctl_ismountpoint()
662 		err = have_submounts(nd.path.dentry);  in autofs_dev_ioctl_ismountpoint()
678 	return err;  in autofs_dev_ioctl_ismountpoint()
735 	int err = 0;  in _autofs_dev_ioctl()  local
754 	err = validate_dev_ioctl(command, param);  in _autofs_dev_ioctl()
755 	if (err)  in _autofs_dev_ioctl()
782 			err = -EBADF;  in _autofs_dev_ioctl()
787 			err = -ENOTTY;  in _autofs_dev_ioctl()
794 			err = -EINVAL;  in _autofs_dev_ioctl()
805 			err = -EACCES;  in _autofs_dev_ioctl()
811 	err = fn(fp, sbi, param);  in _autofs_dev_ioctl()
816 	if (err >= 0 && copy_to_user(user, param, AUTOFS_DEV_IOCTL_SIZE))  in _autofs_dev_ioctl()
817 		err = -EFAULT;  in _autofs_dev_ioctl()
820 	return err;  in _autofs_dev_ioctl()
825 	int err;  in autofs_dev_ioctl()  local
826 	err = _autofs_dev_ioctl(command, (struct autofs_dev_ioctl __user *) u);  in autofs_dev_ioctl()
827 	return (long) err;  in autofs_dev_ioctl()