[Spice-devel] [spice-gtk v2] usb-device-manager: Set UsbDk backend on libusb 1.0.22

[Frediano Ziglio]

> 
> From: 王凡 <wangfan1987.good at 163.com>
> 
> In libusb 1.0.21, UsbDk is enabled at compile time with --enable-usbdk
> option. In libusb 1.0.22, the backend is selected at runtime.
> 
> This patch avoids a crash when spice client is compiled against libusb
> 1.0.22 and UsbDk is not installed.
> 
> * Enabling dynamic backend selection in Windows
> https://github.com/libusb/libusb/commit/54884e84d024e761450287ab56aca
> 
> https://gitlab.freedesktop.org/spice/spice-gtk/issues/74
> Signed-off-by: Victor Toso <victortoso at redhat.com>

No signed off by 王凡 (I know is the author) ?

> ---
>  src/usb-device-manager.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
> index 55bf67e..50fb491 100644
> --- a/src/usb-device-manager.c
> +++ b/src/usb-device-manager.c
> @@ -303,6 +303,12 @@ static gboolean
> spice_usb_device_manager_initable_init(GInitable  *initable,
>          return FALSE;
>      }
>  
> +#ifdef G_OS_WIN32
> +#if LIBUSB_API_VERSION >= 0x01000106
> +    libusb_set_option(priv->context, LIBUSB_OPTION_USE_USBDK);
> +#endif
> +#endif
> +
>      /* Start listening for usb devices plug / unplug */
>  #ifdef USE_GUDEV
>      priv->udev = g_udev_client_new(subsystems);

Frediano