Lines Matching refs:rv
204 int rv; in usbtmc_ioctl_abort_bulk_in() local
215 rv = usb_control_msg(data->usb_dev, in usbtmc_ioctl_abort_bulk_in()
222 if (rv < 0) { in usbtmc_ioctl_abort_bulk_in()
223 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_abort_bulk_in()
230 rv = 0; in usbtmc_ioctl_abort_bulk_in()
237 rv = -EPERM; in usbtmc_ioctl_abort_bulk_in()
250 rv = -EPERM; in usbtmc_ioctl_abort_bulk_in()
261 rv = usb_bulk_msg(data->usb_dev, in usbtmc_ioctl_abort_bulk_in()
269 if (rv < 0) { in usbtmc_ioctl_abort_bulk_in()
270 dev_err(dev, "usb_bulk_msg returned %d\n", rv); in usbtmc_ioctl_abort_bulk_in()
279 rv = -EPERM; in usbtmc_ioctl_abort_bulk_in()
286 rv = usb_control_msg(data->usb_dev, in usbtmc_ioctl_abort_bulk_in()
293 if (rv < 0) { in usbtmc_ioctl_abort_bulk_in()
294 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_abort_bulk_in()
301 rv = 0; in usbtmc_ioctl_abort_bulk_in()
307 rv = -EPERM; in usbtmc_ioctl_abort_bulk_in()
315 rv = usb_bulk_msg(data->usb_dev, in usbtmc_ioctl_abort_bulk_in()
323 if (rv < 0) { in usbtmc_ioctl_abort_bulk_in()
324 dev_err(dev, "usb_bulk_msg returned %d\n", rv); in usbtmc_ioctl_abort_bulk_in()
333 rv = -EPERM; in usbtmc_ioctl_abort_bulk_in()
341 return rv; in usbtmc_ioctl_abort_bulk_in()
349 int rv; in usbtmc_ioctl_abort_bulk_out() local
358 rv = usb_control_msg(data->usb_dev, in usbtmc_ioctl_abort_bulk_out()
365 if (rv < 0) { in usbtmc_ioctl_abort_bulk_out()
366 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_abort_bulk_out()
375 rv = -EPERM; in usbtmc_ioctl_abort_bulk_out()
382 rv = usb_control_msg(data->usb_dev, in usbtmc_ioctl_abort_bulk_out()
389 if (rv < 0) { in usbtmc_ioctl_abort_bulk_out()
390 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_abort_bulk_out()
403 rv = -EPERM; in usbtmc_ioctl_abort_bulk_out()
407 rv = usb_clear_halt(data->usb_dev, in usbtmc_ioctl_abort_bulk_out()
410 if (rv < 0) { in usbtmc_ioctl_abort_bulk_out()
411 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_abort_bulk_out()
414 rv = 0; in usbtmc_ioctl_abort_bulk_out()
418 return rv; in usbtmc_ioctl_abort_bulk_out()
430 int rv; in usbtmc488_ioctl_read_stb() local
441 rv = put_user(stb, (__u8 __user *)arg); in usbtmc488_ioctl_read_stb()
443 (unsigned int)stb, rv); in usbtmc488_ioctl_read_stb()
444 return rv; in usbtmc488_ioctl_read_stb()
454 rv = usb_control_msg(data->usb_dev, in usbtmc488_ioctl_read_stb()
461 if (rv < 0) { in usbtmc488_ioctl_read_stb()
462 dev_err(dev, "stb usb_control_msg returned %d\n", rv); in usbtmc488_ioctl_read_stb()
468 rv = -EIO; in usbtmc488_ioctl_read_stb()
473 rv = wait_event_interruptible_timeout( in usbtmc488_ioctl_read_stb()
477 if (rv < 0) { in usbtmc488_ioctl_read_stb()
478 dev_dbg(dev, "wait interrupted %d\n", rv); in usbtmc488_ioctl_read_stb()
482 if (rv == 0) { in usbtmc488_ioctl_read_stb()
484 rv = -ETIMEDOUT; in usbtmc488_ioctl_read_stb()
499 rv = put_user(stb, (__u8 __user *)arg); in usbtmc488_ioctl_read_stb()
500 dev_dbg(dev, "stb:0x%02x received %d\n", (unsigned int)stb, rv); in usbtmc488_ioctl_read_stb()
510 return rv; in usbtmc488_ioctl_read_stb()
520 int rv; in usbtmc488_ioctl_simple() local
530 rv = copy_from_user(&val, arg, sizeof(val)); in usbtmc488_ioctl_simple()
531 if (rv) { in usbtmc488_ioctl_simple()
532 rv = -EFAULT; in usbtmc488_ioctl_simple()
540 rv = usb_control_msg(data->usb_dev, in usbtmc488_ioctl_simple()
547 if (rv < 0) { in usbtmc488_ioctl_simple()
548 dev_err(dev, "simple usb_control_msg failed %d\n", rv); in usbtmc488_ioctl_simple()
550 } else if (rv != 1) { in usbtmc488_ioctl_simple()
551 dev_warn(dev, "simple usb_control_msg returned %d\n", rv); in usbtmc488_ioctl_simple()
552 rv = -EIO; in usbtmc488_ioctl_simple()
558 rv = -EIO; in usbtmc488_ioctl_simple()
561 rv = 0; in usbtmc488_ioctl_simple()
565 return rv; in usbtmc488_ioctl_simple()
933 int rv; in usbtmc_ioctl_clear() local
946 rv = usb_control_msg(data->usb_dev, in usbtmc_ioctl_clear()
951 if (rv < 0) { in usbtmc_ioctl_clear()
952 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_clear()
960 rv = -EPERM; in usbtmc_ioctl_clear()
974 rv = -EPERM; in usbtmc_ioctl_clear()
986 rv = usb_control_msg(data->usb_dev, in usbtmc_ioctl_clear()
991 if (rv < 0) { in usbtmc_ioctl_clear()
992 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_clear()
1003 rv = -EPERM; in usbtmc_ioctl_clear()
1011 rv = usb_bulk_msg(data->usb_dev, in usbtmc_ioctl_clear()
1018 if (rv < 0) { in usbtmc_ioctl_clear()
1020 rv); in usbtmc_ioctl_clear()
1029 rv = -EPERM; in usbtmc_ioctl_clear()
1037 rv = usb_clear_halt(data->usb_dev, in usbtmc_ioctl_clear()
1039 if (rv < 0) { in usbtmc_ioctl_clear()
1040 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_clear()
1043 rv = 0; in usbtmc_ioctl_clear()
1047 return rv; in usbtmc_ioctl_clear()
1052 int rv; in usbtmc_ioctl_clear_out_halt() local
1054 rv = usb_clear_halt(data->usb_dev, in usbtmc_ioctl_clear_out_halt()
1057 if (rv < 0) { in usbtmc_ioctl_clear_out_halt()
1059 rv); in usbtmc_ioctl_clear_out_halt()
1060 return rv; in usbtmc_ioctl_clear_out_halt()
1067 int rv; in usbtmc_ioctl_clear_in_halt() local
1069 rv = usb_clear_halt(data->usb_dev, in usbtmc_ioctl_clear_in_halt()
1072 if (rv < 0) { in usbtmc_ioctl_clear_in_halt()
1074 rv); in usbtmc_ioctl_clear_in_halt()
1075 return rv; in usbtmc_ioctl_clear_in_halt()
1084 int rv = 0; in get_capabilities() local
1090 rv = usb_control_msg(data->usb_dev, usb_rcvctrlpipe(data->usb_dev, 0), in get_capabilities()
1094 if (rv < 0) { in get_capabilities()
1095 dev_err(dev, "usb_control_msg returned %d\n", rv); in get_capabilities()
1102 rv = -EPERM; in get_capabilities()
1115 rv = 0; in get_capabilities()
1119 return rv; in get_capabilities()
1220 int rv; in usbtmc_ioctl_indicator_pulse() local
1228 rv = usb_control_msg(data->usb_dev, in usbtmc_ioctl_indicator_pulse()
1234 if (rv < 0) { in usbtmc_ioctl_indicator_pulse()
1235 dev_err(dev, "usb_control_msg returned %d\n", rv); in usbtmc_ioctl_indicator_pulse()
1243 rv = -EPERM; in usbtmc_ioctl_indicator_pulse()
1246 rv = 0; in usbtmc_ioctl_indicator_pulse()
1250 return rv; in usbtmc_ioctl_indicator_pulse()
1482 int rv; in usbtmc_interrupt() local
1544 rv = usb_submit_urb(urb, GFP_ATOMIC); in usbtmc_interrupt()
1545 if (rv) in usbtmc_interrupt()
1546 dev_err(dev, "usb_submit_urb failed: %d\n", rv); in usbtmc_interrupt()