From: Li Xi <lixi@ddn.com>
Date: Mon, 2 Feb 2015 02:52:03 +0000 (-0500)
Subject: staging/lustre/libcfs: fix illegal page access of tracefiled()
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~83^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2661e6c45625abd32d6447cafb8d9b99839ce408;p=pandora-kernel.git

staging/lustre/libcfs: fix illegal page access of tracefiled()

After failure happens and put_pages_back() returns the pages,
tracefiled() should not go on itering on the page list.
Otherwise, some pages might be accessed illegally.

Signed-off-by: Li Xi <lixi@ddn.com>
Signed-off-by: Jian Yu <jian.yu@intel.com>
Reviewed-on: http://review.whamcloud.com/11454
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5126
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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