commit a73e4195636c17f310b8530643a576f42b82385f
author Martin KaFai Lau <kafai@fb.com> Fri Aug 14 11:05:53 2015 -0700
committer David S. Miller <davem@davemloft.net> Mon Aug 17 14:28:03 2015 -0700
tree 084823d7d514bc015523526b8317ae05db15e629
parent ad706862890171e02df1d7391b05599fb676ec18

ipv6: Add rt6_make_pcpu_route()

It is a prep work for fixing a potential deadlock when creating
a pcpu rt.

The current rt6_get_pcpu_route() will also create a pcpu rt if one does not
exist.  This patch moves the pcpu rt creation logic into another function,
rt6_make_pcpu_route().

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
CC: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>