305     int fd, n;  in read_sysfs_string()  local
315     n = read(fd, buf, bufsize - 1);  in read_sysfs_string()
318     if (n < 0)  in read_sysfs_string()
321     buf[n] = '\0';  in read_sysfs_string()
323     return n;  in read_sysfs_string()
365     int n, in, out, ifc;  in find_usb_device()  local
390             n = read(fd, desc, sizeof(desc));  in find_usb_device()
392             if (filter_usb_device(de->d_name, desc, n, writable, callback, &in, &out, &ifc) == 0) {  in find_usb_device()
399                 n = ioctl(fd, USBDEVFS_CLAIMINTERFACE, &ifc);  in find_usb_device()
400                 if (n != 0) {  in find_usb_device()
439             int n = ioctl(handle_->desc, USBDEVFS_SUBMITURB, &urb[i]);  in Write()  local
440             if (n != 0) {  in Write()
514     int n, retry;  in Read()  local
531             n = ioctl(handle_->desc, USBDEVFS_BULK, &bulk);  in Read()
532             DBG("[ usb read %d ] = %d, fname=%s, Retry %d \n", xfer, n, handle_->fname, retry);  in Read()
534             if (n < 0) {  in Read()
535                 DBG1("ERROR: n = %d, errno = %d (%s)\n",n, errno, strerror(errno));  in Read()
539         } while (n < 0);  in Read()
541         count += n;  in Read()
542         len -= n;  in Read()
543         data += n;  in Read()
545         if(n < xfer) {  in Read()