From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Tue, 4 Jun 2013 21:11:52 +0000 (-0400)
Subject: xen/time: Check that the per_cpu data structure has data before freeing.
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~23^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a05e2c371fbe73403793d126ceab93787cb4afd4;p=pandora-kernel.git

xen/time: Check that the per_cpu data structure has data before freeing.

We don't check whether the per_cpu data structure has actually
been freed in the past. This checks it and if it has been freed
in the past then just continues on without double-freeing.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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