diff options
Diffstat (limited to 'sys/dev/usb/usbdi_util.c')
| -rw-r--r-- | sys/dev/usb/usbdi_util.c | 34 |
1 files changed, 7 insertions, 27 deletions
diff --git a/sys/dev/usb/usbdi_util.c b/sys/dev/usb/usbdi_util.c index c35bf23..0e2f17b 100644 --- a/sys/dev/usb/usbdi_util.c +++ b/sys/dev/usb/usbdi_util.c @@ -226,15 +226,12 @@ usbd_set_protocol(usbd_interface_handle iface, int report) usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface); usbd_device_handle dev; usb_device_request_t req; - usbd_status err; DPRINTFN(4, ("usbd_set_protocol: iface=%p, report=%d, endpt=%d\n", iface, report, id->bInterfaceNumber)); if (id == NULL) return (USBD_IOERROR); - err = usbd_interface2device_handle(iface, &dev); - if (err) - return (err); + usbd_interface2device_handle(iface, &dev); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UR_SET_PROTOCOL; USETW(req.wValue, report); @@ -250,14 +247,11 @@ usbd_set_report(usbd_interface_handle iface, int type, int id, void *data, usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); usbd_device_handle dev; usb_device_request_t req; - usbd_status err; DPRINTFN(4, ("usbd_set_report: len=%d\n", len)); if (ifd == NULL) return (USBD_IOERROR); - err = usbd_interface2device_handle(iface, &dev); - if (err) - return (err); + usbd_interface2device_handle(iface, &dev); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UR_SET_REPORT; USETW2(req.wValue, type, id); @@ -273,14 +267,11 @@ usbd_set_report_async(usbd_interface_handle iface, int type, int id, void *data, usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); usbd_device_handle dev; usb_device_request_t req; - usbd_status err; DPRINTFN(4, ("usbd_set_report_async: len=%d\n", len)); if (ifd == NULL) return (USBD_IOERROR); - err = usbd_interface2device_handle(iface, &dev); - if (err) - return (err); + usbd_interface2device_handle(iface, &dev); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UR_SET_REPORT; USETW2(req.wValue, type, id); @@ -296,14 +287,11 @@ usbd_get_report(usbd_interface_handle iface, int type, int id, void *data, usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); usbd_device_handle dev; usb_device_request_t req; - usbd_status err; DPRINTFN(4, ("usbd_set_report: len=%d\n", len)); if (id == NULL) return (USBD_IOERROR); - err = usbd_interface2device_handle(iface, &dev); - if (err) - return (err); + usbd_interface2device_handle(iface, &dev); req.bmRequestType = UT_READ_CLASS_INTERFACE; req.bRequest = UR_GET_REPORT; USETW2(req.wValue, type, id); @@ -318,14 +306,11 @@ usbd_set_idle(usbd_interface_handle iface, int duration, int id) usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface); usbd_device_handle dev; usb_device_request_t req; - usbd_status err; DPRINTFN(4, ("usbd_set_idle: %d %d\n", duration, id)); if (ifd == NULL) return (USBD_IOERROR); - err = usbd_interface2device_handle(iface, &dev); - if (err) - return (err); + usbd_interface2device_handle(iface, &dev); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UR_SET_IDLE; USETW2(req.wValue, duration, id); @@ -356,13 +341,10 @@ usbd_get_hid_descriptor(usbd_interface_handle ifc) usb_config_descriptor_t *cdesc; usb_hid_descriptor_t *hd; char *p, *end; - usbd_status err; if (idesc == NULL) return (0); - err = usbd_interface2device_handle(ifc, &dev); - if (err) - return (0); + usbd_interface2device_handle(ifc, &dev); cdesc = usbd_get_config_descriptor(dev); p = (char *)idesc + idesc->bLength; @@ -387,9 +369,7 @@ usbd_alloc_report_desc(usbd_interface_handle ifc, void **descp, int *sizep, usbd_device_handle dev; usbd_status err; - err = usbd_interface2device_handle(ifc, &dev); - if (err) - return (err); + usbd_interface2device_handle(ifc, &dev); id = usbd_get_interface_descriptor(ifc); if (id == NULL) return (USBD_INVAL); |
