From: Eric W. Biederman <ebiederm@xmission.com>
Date: Sun, 10 Mar 2013 00:15:23 +0000 (-0800)
Subject: namespaces: Simplify copy_namespaces so it is clear what is going on.
X-Git-Tag: v3.12-rc1~106^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbef0c1c4c5f8ce5d1f5bd8cee092a7afb4ac21b;p=pandora-kernel.git

namespaces: Simplify copy_namespaces so it is clear what is going on.

Remove the test for the impossible case where tsk->nsproxy == NULL.  Fork
will never be called with tsk->nsproxy == NULL.

Only call get_nsproxy when we don't need to generate a new_nsproxy,
and mark the case where we don't generate a new nsproxy as likely.

Remove the code to drop an unnecessarily acquired nsproxy value.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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