tree c810fdc3ff48d185bb34ce73e986a2c88da3780f
parent 0bc874b88cf86fca4b18f3672a441ed142fc499d
author Nicolas Dichtel <nicolas.dichtel@6wind.com> 1441270063 +0200
committer Paul Jakma <paul@quagga.net> 1443104805 +0100

vrf: add a runtime check before playing with netns

This patch adds a runtime check to determine if netns are available. Some
systems like OpenWRT have the system call setns() but don't have the kernel
option CONFIG_NET_NS enabled.

Reported-by: Christian Franke <chris@opensourcerouting.org>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Tested-by: Christian Franke <chris@opensourcerouting.org>