From 3409eeeb3445acd0b05367fd3fab2e48845ea9aa Mon Sep 17 00:00:00 2001
From: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
Date: Wed, 1 Nov 2017 15:12:39 +0100
Subject: [PATCH] wifi_drv: occasionally crashes during session destruction

Drop rx-packets in case there is no client session

fixes #2557
---
 repos/dde_linux/src/lib/wifi/nic.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/repos/dde_linux/src/lib/wifi/nic.cc b/repos/dde_linux/src/lib/wifi/nic.cc
index 3d0d5326df..441c3ec9c9 100644
--- a/repos/dde_linux/src/lib/wifi/nic.cc
+++ b/repos/dde_linux/src/lib/wifi/nic.cc
@@ -199,6 +199,13 @@ class Root : public Genode::Root_component<Wifi_session_component,
 			return session;
 		}
 
+		void _destroy_session(Wifi_session_component *session)
+		{
+			/* stop rx */
+			Root::instance->session = nullptr;
+			Genode::Root_component<Wifi_session_component, Genode::Single_client>::_destroy_session(session);
+		}
+
 	public:
 
 		net_device             *device  = nullptr;