From: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Date: Thu, 6 Sep 2012 17:24:39 +0000 (-0400)
Subject: xen/privcmd: Fix mmap batch ioctl error status copy back.
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~30^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1714df7f2cee6a741c3ed24231ec5db25b90633a;p=pandora-kernel.git

xen/privcmd: Fix mmap batch ioctl error status copy back.

Copy back of per-slot error codes is only necessary for V2. V1 does not provide
an error array, so copyback will unconditionally set the global rc to EFAULT.
Only copyback for V2.

Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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