Avoid use of node index 0 by registering null-node 79/2679/3
authorDamjan Marion <damarion@cisco.com>
Tue, 6 Sep 2016 20:26:03 +0000 (22:26 +0200)
committerDave Barach <openvpp@barachs.net>
Wed, 7 Sep 2016 00:49:29 +0000 (00:49 +0000)
commitd4798a394a337ad11c306309bb68611251b4e593
treed8eac2ce82f6d36dd7e60d2896493ef6d144724a
parent5d447a9f64afd4ebed1b126b0faa5732563f81fe
Avoid use of node index 0 by registering null-node

In some cases it is convenient to use 0 as an invalid node index
so here we make sure that index 0 is not used.

Change-Id: I5af6bef6769d56086ceb343423185f22843732bd
Signed-off-by: Damjan Marion <damarion@cisco.com>
vlib/vlib/node.c