commit 5a9ab0176198d91dfc153f5e6c5fdc5afa613607
author Robert Shearman <rshearma@brocade.com> Wed Apr 22 11:14:39 2015 +0100
committer David S. Miller <davem@davemloft.net> Wed Apr 22 14:24:54 2015 -0400
tree e18ac4586481309da81bc43a30f3677e46a38858
parent 37bde79979c3862c79294c62ddcef7efc477e4bf

mpls: Prevent use of implicit NULL label as outgoing label

The reserved implicit-NULL label isn't allowed to appear in the label
stack for packets, so make it an error for the control plane to
specify it as an outgoing label.

Suggested-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>