Gu Zheng 5812521be0 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>

2014-03-10 16:29:48 -04:00

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