From aa9a4a1edfbd3d223af01db833da2f07850bc655 Mon Sep 17 00:00:00 2001
From: Liu ShuoX <shuox.liu@intel.com>
Date: Mon, 17 Mar 2014 11:24:49 +1100
Subject: [PATCH] pstore: skip zero size persistent ram buffer in traverse

In ramoops_pstore_read, a valid prz pointer with zero size buffer will
break traverse of all persistent ram buffers.  The latter buffer might be
lost.

Signed-off-by: Liu ShuoX <shuox.liu@intel.com>
Cc: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: Colin Cross <ccross@android.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
Reading git-format-patch failed