diff options
Diffstat (limited to 'libusb/os/windows_usb.c')
| -rw-r--r-- | libusb/os/windows_usb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libusb/os/windows_usb.c b/libusb/os/windows_usb.c index 7b459a1..ee7a9f1 100644 --- a/libusb/os/windows_usb.c +++ b/libusb/os/windows_usb.c @@ -2732,11 +2732,11 @@ static int winusbx_claim_interface(int sub_api, struct libusb_device_handle *dev // must first claim the first interface before you claim the others if ((winusb_handle == 0) || (winusb_handle == INVALID_HANDLE_VALUE)) { file_handle = handle_priv->interface_handle[0].dev_handle; - if (!WinUSBX[sub_api].Initialize(file_handle, &winusb_handle)) { + if (WinUSBX[sub_api].Initialize(file_handle, &winusb_handle)) { handle_priv->interface_handle[0].api_handle = winusb_handle; usbi_warn(ctx, "auto-claimed interface 0 (required to claim %d with WinUSB)", iface); } else { - usbi_warn(ctx, "failed to auto-claim interface 0 (required to claim %d with WinUSB)", iface); + usbi_warn(ctx, "failed to auto-claim interface 0 (required to claim %d with WinUSB): %s", iface, windows_error_str(0)); return LIBUSB_ERROR_ACCESS; } } |