From 767d1f00747050f0139f207dc9e6ef17c1173f5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Thu, 2 Jun 2016 02:49:22 +0200
Subject: [PATCH] qvm-usb: implement usb_detach_all

QubesOS/qubes-issues#531
---
 core/qubesutils.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/qubesutils.py b/core/qubesutils.py
index 494ca7d4..b05ddbc5 100644
--- a/core/qubesutils.py
+++ b/core/qubesutils.py
@@ -653,8 +653,11 @@ def usb_detach(qvmc, vm, device):
         # TODO: sanitize and include stdout
         raise QubesException('Device detach failed')
 
-def usb_detach_all(vm):
-    raise NotImplementedError("Detaching all devices from a given VM is not implemented yet")
+def usb_detach_all(qvmc, vm):
+    for dev in usb_list(qvmc).values():
+        connected_to = dev['connected-to']
+        if connected_to is not None and connected_to.qid == vm.qid:
+            usb_detach(qvmc, connected_to, dev)
 
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