From 145c94048e60f729df58ed392fcb6db64eca0e35 Mon Sep 17 00:00:00 2001
From: "Daniel P. Berrange" <berrange@redhat.com>
Date: Tue, 4 Feb 2014 16:46:28 +0000
Subject: [PATCH] Record hotplugged USB device in LXC live guest config

After hotplugging a USB device, the LXC driver forgot
to add the device def to the virDomainDefPtr.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
(cherry picked from commit a537827d15516f2b59afb23ce2d50b8a88d7f090)

Backport fixed for OOM error reporting
---
 src/lxc/lxc_driver.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 9f2799755a..cc05c5241c 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -3446,6 +3446,11 @@ lxcDomainAttachDeviceHostdevSubsysUSBLive(virLXCDriverPtr driver,
 
     mode = 0700 | S_IFCHR;
 
+    if (VIR_REALLOC_N(vm->def->hostdevs, vm->def->nhostdevs + 1) < 0) {
+        virReportOOMError();
+        goto cleanup;
+    }
+
     if (virFileMakePath(dstdir) < 0) {
         virReportSystemError(errno,
                              _("Unable to create %s"), dstdir);
@@ -3471,6 +3476,8 @@ lxcDomainAttachDeviceHostdevSubsysUSBLive(virLXCDriverPtr driver,
                                 priv->cgroup) < 0)
         goto cleanup;
 
+    vm->def->hostdevs[vm->def->nhostdevs++] = def;
+
     ret = 0;
 
 cleanup: