From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Wed, 6 Sep 2017 09:51:03 +0000 (+0200)
Subject: network: add missing checks for empty links
X-Git-Tag: lxc-2.0.9~41
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb8f5b73cdc179cc36e0bb694d2263f9dd9f78e8;p=thirdparty%2Flxc.git

network: add missing checks for empty links

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
---

diff --git a/src/lxc/network.c b/src/lxc/network.c
index c20d5980f..9561f70ec 100644
--- a/src/lxc/network.c
+++ b/src/lxc/network.c
@@ -2322,7 +2322,7 @@ bool lxc_delete_network_unpriv(struct lxc_handler *handler)
 		if (netdev->type != LXC_NET_VETH)
 			continue;
 
-		if (!is_ovs_bridge(netdev->link))
+		if (netdev->link[0] == '\0' || !is_ovs_bridge(netdev->link))
 			continue;
 
 		if (netdev->priv.veth_attr.pair[0] != '\0')
@@ -2531,7 +2531,7 @@ bool lxc_delete_network_priv(struct lxc_handler *handler)
 		}
 		INFO("Removed interface \"%s\" from \"%s\"", hostveth, netdev->link);
 
-		if (!is_ovs_bridge(netdev->link)) {
+		if (netdev->link[0] == '\0' || !is_ovs_bridge(netdev->link)) {
 			netdev->priv.veth_attr.veth1[0] = '\0';
 			continue;
 		}