349 	struct cdevsw *dsw;  in giant_open()  local
352 	dsw = dev_refthread(dev, &ref);  in giant_open()
353 	if (dsw == NULL)  in giant_open()
356 	retval = dsw->d_gianttrick->d_open(dev, oflags, devtype, td);  in giant_open()
365 	struct cdevsw *dsw;  in giant_fdopen()  local
368 	dsw = dev_refthread(dev, &ref);  in giant_fdopen()
369 	if (dsw == NULL)  in giant_fdopen()
372 	retval = dsw->d_gianttrick->d_fdopen(dev, oflags, td, fp);  in giant_fdopen()
381 	struct cdevsw *dsw;  in giant_close()  local
384 	dsw = dev_refthread(dev, &ref);  in giant_close()
385 	if (dsw == NULL)  in giant_close()
388 	retval = dsw->d_gianttrick->d_close(dev, fflag, devtype, td);  in giant_close()
397 	struct cdevsw *dsw;  in giant_strategy()  local
402 	dsw = dev_refthread(dev, &ref);  in giant_strategy()
403 	if (dsw == NULL) {  in giant_strategy()
408 	dsw->d_gianttrick->d_strategy(bp);  in giant_strategy()
416 	struct cdevsw *dsw;  in giant_ioctl()  local
419 	dsw = dev_refthread(dev, &ref);  in giant_ioctl()
420 	if (dsw == NULL)  in giant_ioctl()
423 	retval = dsw->d_gianttrick->d_ioctl(dev, cmd, data, fflag, td);  in giant_ioctl()
432 	struct cdevsw *dsw;  in giant_read()  local
435 	dsw = dev_refthread(dev, &ref);  in giant_read()
436 	if (dsw == NULL)  in giant_read()
439 	retval = dsw->d_gianttrick->d_read(dev, uio, ioflag);  in giant_read()
448 	struct cdevsw *dsw;  in giant_write()  local
451 	dsw = dev_refthread(dev, &ref);  in giant_write()
452 	if (dsw == NULL)  in giant_write()
455 	retval = dsw->d_gianttrick->d_write(dev, uio, ioflag);  in giant_write()
464 	struct cdevsw *dsw;  in giant_poll()  local
467 	dsw = dev_refthread(dev, &ref);  in giant_poll()
468 	if (dsw == NULL)  in giant_poll()
471 	retval = dsw->d_gianttrick->d_poll(dev, events, td);  in giant_poll()
480 	struct cdevsw *dsw;  in giant_kqfilter()  local
483 	dsw = dev_refthread(dev, &ref);  in giant_kqfilter()
484 	if (dsw == NULL)  in giant_kqfilter()
487 	retval = dsw->d_gianttrick->d_kqfilter(dev, kn);  in giant_kqfilter()
497 	struct cdevsw *dsw;  in giant_mmap()  local
500 	dsw = dev_refthread(dev, &ref);  in giant_mmap()
501 	if (dsw == NULL)  in giant_mmap()
504 	retval = dsw->d_gianttrick->d_mmap(dev, offset, paddr, nprot,  in giant_mmap()
515 	struct cdevsw *dsw;  in giant_mmap_single()  local
518 	dsw = dev_refthread(dev, &ref);  in giant_mmap_single()
519 	if (dsw == NULL)  in giant_mmap_single()
522 	retval = dsw->d_gianttrick->d_mmap_single(dev, offset, size, object,  in giant_mmap_single()