Date: Wed, 22 Jun 2011 08:55:00 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r223419 - stable/8/lib/libusb Message-ID: <201106220855.p5M8t0LD040500@svn.freebsd.org>
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Author: hselasky Date: Wed Jun 22 08:55:00 2011 New Revision: 223419 URL: http://svn.freebsd.org/changeset/base/223419 Log: MFC r210823, r211397, r210933, r219101, r213852, r213849 and r208020: - Add support for LibUSB in 32-bit compatibility mode. - Some manpage related fixes. Modified: stable/8/lib/libusb/Makefile stable/8/lib/libusb/libusb.3 stable/8/lib/libusb/libusb10_desc.c stable/8/lib/libusb/libusb10_io.c stable/8/lib/libusb/libusb20.3 stable/8/lib/libusb/libusb20.c stable/8/lib/libusb/libusb20_int.h stable/8/lib/libusb/libusb20_ugen20.c Directory Properties: stable/8/lib/libusb/ (props changed) stable/8/lib/libusb/usb.h (props changed) Modified: stable/8/lib/libusb/Makefile ============================================================================== --- stable/8/lib/libusb/Makefile Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/Makefile Wed Jun 22 08:55:00 2011 (r223419) @@ -28,5 +28,180 @@ SRCS+= libusb10.c SRCS+= libusb10_desc.c SRCS+= libusb10_io.c +.if defined(COMPAT_32BIT) +CFLAGS+= -DCOMPAT_32BIT +.endif + .include <bsd.lib.mk> +# LibUSB v1.0 +MLINKS += libusb.3 libusb_init.3 +MLINKS += libusb.3 libusb_exit.3 +MLINKS += libusb.3 libusb_strerror.3 +MLINKS += libusb.3 libusb_set_debug.3 +MLINKS += libusb.3 libusb_get_device_list.3 +MLINKS += libusb.3 libusb_free_device_list.3 +MLINKS += libusb.3 libusb_get_bus_number.3 +MLINKS += libusb.3 libusb_get_device_address.3 +MLINKS += libusb.3 libusb_get_max_packet_size.3 +MLINKS += libusb.3 libusb_ref_device.3 +MLINKS += libusb.3 libusb_unref_device.3 +MLINKS += libusb.3 libusb_open.3 +MLINKS += libusb.3 libusb_open_device_with_vid_pid.3 +MLINKS += libusb.3 libusb_close.3 +MLINKS += libusb.3 libusb_get_device.3 +MLINKS += libusb.3 libusb_get_configuration.3 +MLINKS += libusb.3 libusb_set_configuration.3 +MLINKS += libusb.3 libusb_claim_interface.3 +MLINKS += libusb.3 libusb_release_interface.3 +MLINKS += libusb.3 libusb_set_interface_alt_setting.3 +MLINKS += libusb.3 libusb_clear_halt.3 +MLINKS += libusb.3 libusb_reset_device.3 +MLINKS += libusb.3 libusb_check_connected.3 +MLINKS += libusb.3 libusb_kernel_driver_active.3 +MLINKS += libusb.3 libusb_get_driver.3 +MLINKS += libusb.3 libusb_get_driver_np.3 +MLINKS += libusb.3 libusb_detach_kernel_driver.3 +MLINKS += libusb.3 libusb_detach_kernel_driver_np.3 +MLINKS += libusb.3 libusb_attach_kernel_driver.3 +MLINKS += libusb.3 libusb_get_device_descriptor.3 +MLINKS += libusb.3 libsub_get_active_config_descriptor.3 +MLINKS += libusb.3 libusb_get_config_descriptor.3 +MLINKS += libusb.3 libusb_get_config_descriptor_by_value.3 +MLINKS += libusb.3 libusb_free_config_descriptor.3 +MLINKS += libusb.3 libusb_get_string_descriptor_ascii.3 +MLINKS += libusb.3 libusb_alloc_transfer.3 +MLINKS += libusb.3 libusb_free_transfer.3 +MLINKS += libusb.3 libusb_submit_transfer.3 +MLINKS += libusb.3 libusb_cancel_transfer.3 +MLINKS += libusb.3 libusb_control_transfer.3 +MLINKS += libusb.3 libusb_bulk_transfer.3 +MLINKS += libusb.3 libusb_interrupt_transfer.3 +MLINKS += libusb.3 libusb_try_lock_events.3 +MLINKS += libusb.3 libusb_lock_events.3 +MLINKS += libusb.3 libusb_unlock_events.3 +MLINKS += libusb.3 libusb_event_handling_ok.3 +MLINKS += libusb.3 libusb_event_handler_active.3 +MLINKS += libusb.3 libusb_lock_event_waiters.3 +MLINKS += libusb.3 libusb_unlock_event_waiters.3 +MLINKS += libusb.3 libusb_wait_for_event.3 +MLINKS += libusb.3 libusb_handle_events_timeout.3 +MLINKS += libusb.3 libusb_handle_events.3 +MLINKS += libusb.3 libusb_handle_events_locked.3 +MLINKS += libusb.3 libusb_get_next_timeout.3 +MLINKS += libusb.3 libusb_set_pollfd_notifiers.3 +MLINKS += libusb.3 libusb_get_pollfds.3 + +# LibUSB v0.1 +MLINKS += libusb.3 usb_open.3 +MLINKS += libusb.3 usb_close.3 +MLINKS += libusb.3 usb_get_string.3 +MLINKS += libusb.3 usb_get_string_simple.3 +MLINKS += libusb.3 usb_get_descriptor_by_endpoint.3 +MLINKS += libusb.3 usb_get_descriptor.3 +MLINKS += libusb.3 usb_parse_descriptor.3 +MLINKS += libusb.3 usb_parse_configuration.3 +MLINKS += libusb.3 usb_destroy_configuration.3 +MLINKS += libusb.3 usb_fetch_and_parse_descriptors.3 +MLINKS += libusb.3 usb_bulk_write.3 +MLINKS += libusb.3 usb_bulk_read.3 +MLINKS += libusb.3 usb_interrupt_write.3 +MLINKS += libusb.3 usb_interrupt_read.3 +MLINKS += libusb.3 usb_control_msg.3 +MLINKS += libusb.3 usb_set_configuration.3 +MLINKS += libusb.3 usb_claim_interface.3 +MLINKS += libusb.3 usb_release_interface.3 +MLINKS += libusb.3 usb_set_altinterface.3 +MLINKS += libusb.3 usb_resetep.3 +MLINKS += libusb.3 usb_clear_halt.3 +MLINKS += libusb.3 usb_reset.3 +MLINKS += libusb.3 usb_strerror.3 +MLINKS += libusb.3 usb_init.3 +MLINKS += libusb.3 usb_set_debug.3 +MLINKS += libusb.3 usb_find_busses.3 +MLINKS += libusb.3 usb_find_devices.3 +MLINKS += libusb.3 usb_device.3 +MLINKS += libusb.3 usb_get_busses.3 +MLINKS += libusb.3 usb_check_connected.3 + +# LibUSB v2.0 +MLINKS += libusb20.3 libusb20_tr_close.3 +MLINKS += libusb20.3 libusb20_tr_open.3 +MLINKS += libusb20.3 libusb20_tr_get_pointer.3 +MLINKS += libusb20.3 libusb20_tr_get_time_complete.3 +MLINKS += libusb20.3 libusb20_tr_get_actual_frames.3 +MLINKS += libusb20.3 libusb20_tr_get_actual_length.3 +MLINKS += libusb20.3 libusb20_tr_get_max_frames.3 +MLINKS += libusb20.3 libusb20_tr_get_max_packet_length.3 +MLINKS += libusb20.3 libusb20_tr_get_max_total_length.3 +MLINKS += libusb20.3 libusb20_tr_get_status.3 +MLINKS += libusb20.3 libusb20_tr_pending.3 +MLINKS += libusb20.3 libusb20_tr_callback_wrapper.3 +MLINKS += libusb20.3 libusb20_tr_clear_stall_sync.3 +MLINKS += libusb20.3 libusb20_tr_drain.3 +MLINKS += libusb20.3 libusb20_tr_set_buffer.3 +MLINKS += libusb20.3 libusb20_tr_set_callback.3 +MLINKS += libusb20.3 libusb20_tr_set_flags.3 +MLINKS += libusb20.3 libusb20_tr_get_length.3 +MLINKS += libusb20.3 libusb20_tr_set_length.3 +MLINKS += libusb20.3 libusb20_tr_set_priv_sc0.3 +MLINKS += libusb20.3 libusb20_tr_set_priv_sc1.3 +MLINKS += libusb20.3 libusb20_tr_set_timeout.3 +MLINKS += libusb20.3 libusb20_tr_set_total_frames.3 +MLINKS += libusb20.3 libusb20_tr_setup_bulk.3 +MLINKS += libusb20.3 libusb20_tr_setup_control.3 +MLINKS += libusb20.3 libusb20_tr_setup_intr.3 +MLINKS += libusb20.3 libusb20_tr_setup_isoc.3 +MLINKS += libusb20.3 libusb20_tr_bulk_intr_sync.3 +MLINKS += libusb20.3 libusb20_tr_start.3 +MLINKS += libusb20.3 libusb20_tr_stop.3 +MLINKS += libusb20.3 libusb20_tr_submit.3 +MLINKS += libusb20.3 libusb20_tr_get_priv_sc0.3 +MLINKS += libusb20.3 libusb20_tr_get_priv_sc1.3 +MLINKS += libusb20.3 libusb20_dev_get_backend_name.3 +MLINKS += libusb20.3 libusb20_dev_get_info.3 +MLINKS += libusb20.3 libusb20_dev_get_iface_desc.3 +MLINKS += libusb20.3 libusb20_dev_get_desc.3 +MLINKS += libusb20.3 libusb20_dev_close.3 +MLINKS += libusb20.3 libusb20_dev_detach_kernel_driver.3 +MLINKS += libusb20.3 libusb20_dev_set_config_index.3 +MLINKS += libusb20.3 libusb20_dev_get_debug.3 +MLINKS += libusb20.3 libusb20_dev_get_fd.3 +MLINKS += libusb20.3 libusb20_dev_kernel_driver_active.3 +MLINKS += libusb20.3 libusb20_dev_open.3 +MLINKS += libusb20.3 libusb20_dev_process.3 +MLINKS += libusb20.3 libusb20_dev_request_sync.3 +MLINKS += libusb20.3 libusb20_dev_req_string_sync.3 +MLINKS += libusb20.3 libusb20_dev_req_string_simple_sync.3 +MLINKS += libusb20.3 libusb20_dev_reset.3 +MLINKS += libusb20.3 libusb20_dev_check_connected.3 +MLINKS += libusb20.3 libusb20_dev_set_power_mode.3 +MLINKS += libusb20.3 libusb20_dev_get_power_mode.3 +MLINKS += libusb20.3 libusb20_dev_set_alt_index.3 +MLINKS += libusb20.3 libusb20_dev_get_device_desc.3 +MLINKS += libusb20.3 libusb20_dev_alloc_config.3 +MLINKS += libusb20.3 libusb20_dev_alloc.3 +MLINKS += libusb20.3 libusb20_dev_get_address.3 +MLINKS += libusb20.3 libusb20_dev_get_bus_number.3 +MLINKS += libusb20.3 libusb20_dev_get_mode.3 +MLINKS += libusb20.3 libusb20_dev_get_speed.3 +MLINKS += libusb20.3 libusb20_dev_get_config_index.3 +MLINKS += libusb20.3 libusb20_dev_free.3 +MLINKS += libusb20.3 libusb20_dev_set_debug.3 +MLINKS += libusb20.3 libusb20_dev_wait_process.3 +MLINKS += libusb20.3 libusb20_be_get_template.3 +MLINKS += libusb20.3 libusb20_be_set_template.3 +MLINKS += libusb20.3 libusb20_be_get_dev_quirk.3 +MLINKS += libusb20.3 libusb20_be_get_quirk_name.3 +MLINKS += libusb20.3 libusb20_be_add_dev_quirk.3 +MLINKS += libusb20.3 libusb20_be_remove_dev_quirk.3 +MLINKS += libusb20.3 libusb20_be_alloc_default.3 +MLINKS += libusb20.3 libusb20_be_device_foreach.3 +MLINKS += libusb20.3 libusb20_be_dequeue_device.3 +MLINKS += libusb20.3 libusb20_be_enqueue_device.3 +MLINKS += libusb20.3 libusb20_be_free.3 +MLINKS += libusb20.3 libusb20_me_get_1.3 +MLINKS += libusb20.3 libusb20_me_get_2.3 +MLINKS += libusb20.3 libusb20_me_encode.3 +MLINKS += libusb20.3 libusb20_me_decode.3 +MLINKS += libusb20.3 libusb20_desc_foreach.3 Modified: stable/8/lib/libusb/libusb.3 ============================================================================== --- stable/8/lib/libusb/libusb.3 Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/libusb.3 Wed Jun 22 08:55:00 2011 (r223419) @@ -153,7 +153,7 @@ disconnected and a LIBUSB_ERROR code on . .Ft libusb_device_handle * .Fn libusb_open_device_with_vid_pid "libusb_context *ctx" "uint16_t vid" "uint16_t pid" -Conveniance function to open a device with is +Convenience function to open a device with is .Fa vid and .Fa pid. @@ -209,7 +209,7 @@ been disconnected and a LIBUSB_ERROR cod .Fn libusb_release_interface "libusb_device_handle *devh" "int interface_number" This function release an interface. All the claimed interface must be released before closing a device. Returns 0 on success, LIBUSB_ERROR_NOT_FOUND if the -interafce was not claimed, LIBUSB_ERROR_NO_DEVICE if the device has been +interface was not claimed, LIBUSB_ERROR_NO_DEVICE if the device has been disconnected and LIBUSB_ERROR on failure. . .Pp @@ -383,7 +383,7 @@ LIBUSB_ERROR code on failure. Perform a USB control transfer. Returns the actual number of bytes transferred on success in the range from and including zero until and including -.Xa wLength . +.Fa wLength . On error a libusb error code is returned, for example LIBUSB_ERROR_TIMEOUT if the transfer timeout, LIBUSB_ERROR_PIPE if the control request was not supported, LIBUSB_ERROR_NO_DEVICE if the @@ -393,7 +393,10 @@ The libusb error codes are always negati .Pp .Ft int .Fn libusb_bulk_transfer "struct libusb_device_handle *devh" "unsigned char endpoint" "unsigned char *data" "int length" "int *transferred" "unsigned int timeout" -Perform an USB bulk transfer. Returns 0 on success, LIBUSB_ERROR_TIMEOUT +Perform an USB bulk transfer. +A timeout value of zero means no timeout. +The timeout value is given in milliseconds. +Returns 0 on success, LIBUSB_ERROR_TIMEOUT if the transfer timeout, LIBUSB_ERROR_PIPE if the control request was not supported, LIBUSB_ERROR_OVERFLOW if the device offered more data, LIBUSB_ERROR_NO_DEVICE if the device has been disconnected and @@ -402,7 +405,10 @@ LIBUSB_ERROR code on other failure. .Pp .Ft int .Fn libusb_interrupt_transfer "struct libusb_device_handle *devh" "unsigned char endpoint" "unsigned char *data" "int length" "int *transferred" "unsigned int timeout" -Perform an USB Interrupt transfer. Returns 0 on success, LIBUSB_ERROR_TIMEOUT +Perform an USB Interrupt transfer. +A timeout value of zero means no timeout. +The timeout value is given in milliseconds. +Returns 0 on success, LIBUSB_ERROR_TIMEOUT if the transfer timeout, LIBUSB_ERROR_PIPE if the control request was not supported, LIBUSB_ERROR_OVERFLOW if the device offered more data, LIBUSB_ERROR_NO_DEVICE if the device has been disconnected and Modified: stable/8/lib/libusb/libusb10_desc.c ============================================================================== --- stable/8/lib/libusb/libusb10_desc.c Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/libusb10_desc.c Wed Jun 22 08:55:00 2011 (r223419) @@ -26,11 +26,11 @@ #include <sys/queue.h> -#define libusb_device_handle libusb20_device - #include <stdio.h> #include <stdlib.h> +#define libusb_device_handle libusb20_device + #include "libusb20.h" #include "libusb20_desc.h" #include "libusb20_int.h" Modified: stable/8/lib/libusb/libusb10_io.c ============================================================================== --- stable/8/lib/libusb/libusb10_io.c Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/libusb10_io.c Wed Jun 22 08:55:00 2011 (r223419) @@ -141,7 +141,7 @@ libusb10_handle_events_sub(struct libusb err = LIBUSB_ERROR_IO; if (err < 1) { - for (i = 0; i != nfds; i++) { + for (i = 0; i != (int)nfds; i++) { if (ppdev[i] != NULL) { CTX_UNLOCK(ctx); libusb_unref_device(libusb_get_device(ppdev[i])); @@ -150,7 +150,7 @@ libusb10_handle_events_sub(struct libusb } goto do_done; } - for (i = 0; i != nfds; i++) { + for (i = 0; i != (int)nfds; i++) { if (ppdev[i] != NULL) { dev = libusb_get_device(ppdev[i]); Modified: stable/8/lib/libusb/libusb20.3 ============================================================================== --- stable/8/lib/libusb/libusb20.3 Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/libusb20.3 Wed Jun 22 08:55:00 2011 (r223419) @@ -534,7 +534,7 @@ returns a zero terminated string describ .Pp . .Fn libusb20_dev_get_info -retrives the BSD specific usb_device_info structure into the memory location given by +retrieves the BSD specific usb_device_info structure into the memory location given by .Fa pinfo . The USB device given by .Fa pdev Modified: stable/8/lib/libusb/libusb20.c ============================================================================== --- stable/8/lib/libusb/libusb20.c Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/libusb20.c Wed Jun 22 08:55:00 2011 (r223419) @@ -326,7 +326,7 @@ libusb20_tr_clear_stall_sync(struct libu void libusb20_tr_set_buffer(struct libusb20_transfer *xfer, void *buffer, uint16_t frIndex) { - xfer->ppBuffer[frIndex] = buffer; + xfer->ppBuffer[frIndex] = libusb20_pass_ptr(buffer); return; } @@ -392,7 +392,7 @@ libusb20_tr_set_total_frames(struct libu void libusb20_tr_setup_bulk(struct libusb20_transfer *xfer, void *pBuf, uint32_t length, uint32_t timeout) { - xfer->ppBuffer[0] = pBuf; + xfer->ppBuffer[0] = libusb20_pass_ptr(pBuf); xfer->pLength[0] = length; xfer->timeout = timeout; xfer->nFrames = 1; @@ -404,7 +404,7 @@ libusb20_tr_setup_control(struct libusb2 { uint16_t len; - xfer->ppBuffer[0] = psetup; + xfer->ppBuffer[0] = libusb20_pass_ptr(psetup); xfer->pLength[0] = 8; /* fixed */ xfer->timeout = timeout; @@ -412,7 +412,7 @@ libusb20_tr_setup_control(struct libusb2 if (len != 0) { xfer->nFrames = 2; - xfer->ppBuffer[1] = pBuf; + xfer->ppBuffer[1] = libusb20_pass_ptr(pBuf); xfer->pLength[1] = len; } else { xfer->nFrames = 1; @@ -423,7 +423,7 @@ libusb20_tr_setup_control(struct libusb2 void libusb20_tr_setup_intr(struct libusb20_transfer *xfer, void *pBuf, uint32_t length, uint32_t timeout) { - xfer->ppBuffer[0] = pBuf; + xfer->ppBuffer[0] = libusb20_pass_ptr(pBuf); xfer->pLength[0] = length; xfer->timeout = timeout; xfer->nFrames = 1; @@ -437,7 +437,7 @@ libusb20_tr_setup_isoc(struct libusb20_t /* should not happen */ return; } - xfer->ppBuffer[frIndex] = pBuf; + xfer->ppBuffer[frIndex] = libusb20_pass_ptr(pBuf); xfer->pLength[frIndex] = length; return; } @@ -1173,7 +1173,7 @@ libusb20_be_alloc_ugen20(void) { struct libusb20_backend *pbe; -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) pbe = libusb20_be_alloc(&libusb20_ugen20_backend); #else pbe = NULL; Modified: stable/8/lib/libusb/libusb20_int.h ============================================================================== --- stable/8/lib/libusb/libusb20_int.h Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/libusb20_int.h Wed Jun 22 08:55:00 2011 (r223419) @@ -31,6 +31,12 @@ #ifndef _LIBUSB20_INT_H_ #define _LIBUSB20_INT_H_ +#ifdef COMPAT_32BIT +#define libusb20_pass_ptr(ptr) ((uint64_t)(uintptr_t)(ptr)) +#else +#define libusb20_pass_ptr(ptr) (ptr) +#endif + struct libusb20_device; struct libusb20_backend; struct libusb20_transfer; @@ -146,7 +152,11 @@ struct libusb20_transfer { /* * Pointer to a list of buffer pointers: */ +#ifdef COMPAT_32BIT + uint64_t *ppBuffer; +#else void **ppBuffer; +#endif /* * Pointer to frame lengths, which are updated to actual length * after the USB transfer completes: Modified: stable/8/lib/libusb/libusb20_ugen20.c ============================================================================== --- stable/8/lib/libusb/libusb20_ugen20.c Wed Jun 22 08:52:16 2011 (r223418) +++ stable/8/lib/libusb/libusb20_ugen20.c Wed Jun 22 08:55:00 2011 (r223419) @@ -226,7 +226,7 @@ ugen20_readdir(struct ugen20_urd_state * repeat: if (st->ptr == NULL) { st->urd.urd_startentry += st->nparsed; - st->urd.urd_data = st->buf; + st->urd.urd_data = libusb20_pass_ptr(st->buf); st->urd.urd_maxlen = sizeof(st->buf); st->nparsed = 0; @@ -339,7 +339,7 @@ ugen20_tr_renew(struct libusb20_device * memset(&fs_init, 0, sizeof(fs_init)); - fs_init.pEndpoints = pdev->privBeData; + fs_init.pEndpoints = libusb20_pass_ptr(pdev->privBeData); fs_init.ep_index_max = nMaxTransfer; if (ioctl(pdev->file, USB_FS_INIT, &fs_init)) { @@ -453,7 +453,7 @@ ugen20_get_config_desc_full(struct libus memset(&cdesc, 0, sizeof(cdesc)); memset(&gen_desc, 0, sizeof(gen_desc)); - gen_desc.ugd_data = &cdesc; + gen_desc.ugd_data = libusb20_pass_ptr(&cdesc); gen_desc.ugd_maxlen = sizeof(cdesc); gen_desc.ugd_config_index = cfg_index; @@ -474,7 +474,7 @@ ugen20_get_config_desc_full(struct libus /* make sure memory is initialised */ memset(ptr, 0, len); - gen_desc.ugd_data = ptr; + gen_desc.ugd_data = libusb20_pass_ptr(ptr); gen_desc.ugd_maxlen = len; error = ioctl(pdev->file_ctrl, USB_GET_FULL_DESC, &gen_desc); @@ -666,7 +666,7 @@ ugen20_do_request_sync(struct libusb20_d memset(&req, 0, sizeof(req)); - req.ucr_data = data; + req.ucr_data = libusb20_pass_ptr(data); if (!(flags & LIBUSB20_TRANSFER_SINGLE_SHORT_NOT_OK)) { req.ucr_flags |= USB_SHORT_XFER_OK; } @@ -764,9 +764,9 @@ ugen20_tr_open(struct libusb20_transfer xfer->maxTotalLength = temp.max_bufsize; xfer->maxPacketLen = temp.max_packet_length; - /* setup buffer and length lists */ - fsep->ppBuffer = xfer->ppBuffer;/* zero copy */ - fsep->pLength = xfer->pLength; /* zero copy */ + /* setup buffer and length lists using zero copy */ + fsep->ppBuffer = libusb20_pass_ptr(xfer->ppBuffer); + fsep->pLength = libusb20_pass_ptr(xfer->pLength); return (0); /* success */ } @@ -886,7 +886,7 @@ ugen20_dev_get_iface_desc(struct libusb2 memset(&ugd, 0, sizeof(ugd)); - ugd.ugd_data = buf; + ugd.ugd_data = libusb20_pass_ptr(buf); ugd.ugd_maxlen = len; ugd.ugd_iface_index = iface_index;
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