From: Monam Agarwal <monamagarwal123@gmail.com>
Date: Sun, 23 Mar 2014 18:47:18 +0000 (+0530)
Subject: cgroup: Use RCU_INIT_POINTER(x, NULL) in cgroup.c
X-Git-Tag: v3.15-rc1~109^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01a971406177c2ca9834be6914a67e20f463a3e6;p=pandora-kernel.git

cgroup: Use RCU_INIT_POINTER(x, NULL) in cgroup.c

This patch replaces rcu_assign_pointer(x, NULL) with
RCU_INIT_POINTER(x, NULL)

The rcu_assign_pointer() ensures that the initialization of a
structure is carried out before storing a pointer to that structure.
And in the case of the NULL pointer, there is no structure to
initialize.  So, rcu_assign_pointer(p, NULL) can be safely converted
to RCU_INIT_POINTER(p, NULL)

Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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