From f5ec25deb2471bd49e907ab2f9ef6f860eb7cf95 Mon Sep 17 00:00:00 2001
From: Chen Gong <gong.chen@linux.intel.com>
Date: Mon, 16 May 2011 11:01:39 -0700
Subject: [PATCH] pstore: fix potential logic issue in pstore read interface

1) in the calling of erst_read, the parameter of buffer size
maybe overflows and cause crash

2) the return value of erst_read should be checked more strictly

Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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