- case CP210x_IOCTL_SETMFG:
- if (cp210x_has_setmfg()) {
- char usbstr[USBSTRLEN(CP210x_MAX_MFG_STRLEN)];
- size_t len = cp210x_usbstr_from_user(usbstr, arg,
- sizeof(usbstr));
- if (len && cp210x_setstr(port, 0x00, usbstr) == len)
- return 0;
- }
- return -EFAULT;
- break;
-