[Spice-devel] [PATCH spice-gtk] channel-usbredir: Do not stop event listening if SpiceSession does not exist

[Pavel Grunt]

Avoids Segfault when closing the connection just after the usb device redirection.
---
 gtk/channel-usbredir.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/gtk/channel-usbredir.c b/gtk/channel-usbredir.c
index b1a91fb..d974434 100644
--- a/gtk/channel-usbredir.c
+++ b/gtk/channel-usbredir.c
@@ -419,9 +419,12 @@ void spice_usbredir_channel_disconnect_device(SpiceUsbredirChannel *channel)
          * usbredirhost_set_device NULL will interrupt the
          * libusb_handle_events call in the thread.
          */
-        spice_usb_device_manager_stop_event_listening(
-            spice_usb_device_manager_get(
-                spice_channel_get_session(SPICE_CHANNEL(channel)), NULL));
+        {
+            SpiceSession *session = spice_channel_get_session(SPICE_CHANNEL(channel));
+            if (session != NULL)
+                spice_usb_device_manager_stop_event_listening(
+                    spice_usb_device_manager_get(session, NULL));
+        }
         /* This also closes the libusb handle we passed from open_device */
         usbredirhost_set_device(priv->host, NULL);
         libusb_unref_device(priv->device);
-- 
2.3.2