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 c20d5980f70c398980b3b4721984f8466200b993..9561f70ecb4d8e5c63a5660ae5f0624e61e98b5f 100644 (file)
--- 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;
                }