tree a57bf248f7ffba9d37e7999dc3b2c215df999cea
parent 431a91242d8d7876d33ab91b1f3ccdcd56b14f66
author Gu Zheng <guz.fnst@cn.fujitsu.com> 1394416654 +0800
committer David S. Miller <davem@davemloft.net> 1394483388 -0400

net: add a pre-check of net_ns in sk_change_net()

We do not need to switch the net_ns if the target net_ns the same
as the current one, so here we add a pre-check of net_ns to avoid
this as David suggested.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>