From: Daniel Lezcano <daniel.lezcano@free.fr>
Date: Wed, 24 Feb 2010 09:57:42 +0000 (+0100)
Subject: fix empty network namespace
X-Git-Tag: lxc-0.7.0~137
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=236087a6c8791f1ade2f80e8ed89712eee161d3f;p=thirdparty%2Flxc.git

fix empty network namespace

When there is an empty network namespace, we must not move the
network device.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
---

diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index eef67f107..cb8fc8766 100644
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -1265,6 +1265,10 @@ int lxc_assign_network(struct lxc_list *network, pid_t pid)
 
 		netdev = iterator->elem;
 
+		/* empty network namespace, nothing to move */
+		if (!netdev->ifindex)
+			continue;
+
 		if (lxc_device_move(netdev->ifindex, pid)) {
 			ERROR("failed to move '%s' to the container",
 			      netdev->link);