From: Tejun Heo <tj@kernel.org>
Date: Sat, 28 Jun 2014 12:10:12 +0000 (-0400)
Subject: percpu-refcount, aio: use percpu_ref_cancel_init() in ioctx_alloc()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~191^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=55c6c814ae0aa896781d3c51e4608de542624f64;p=pandora-kernel.git

percpu-refcount, aio: use percpu_ref_cancel_init() in ioctx_alloc()

ioctx_alloc() reaches inside percpu_ref and directly frees
->pcpu_count in its failure path, which is quite gross.  percpu_ref
has been providing a proper interface to do this,
percpu_ref_cancel_init(), for quite some time now.  Let's use that
instead.

This patch doesn't introduce any behavior changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Benjamin LaHaise <bcrl@kvack.org>
Cc: Kent Overstreet <kmo@daterainc.com>
---

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