Lines Matching refs:retval
324 int retval;
333 retval = mutex_lock_interruptible(&list->thread_lock);
334 if (retval)
337 while (retval == 0) {
343 retval = -ERESTARTSYS;
347 retval = -EIO;
351 retval = -EAGAIN;
368 if (retval) {
370 return retval;
375 retval + event_size <= count) {
382 if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) {
386 retval += sizeof(struct hiddev_event);
392 if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) {
396 retval += sizeof(struct hiddev_usage_ref);
405 return retval;
879 int retval;
903 retval = usb_register_dev(usbhid->intf, &hiddev_class);
904 if (retval) {
908 return retval;