From: Liu ShuoX <shuox.liu@intel.com>
Date: Mon, 17 Mar 2014 00:24:49 +0000 (+1100)
Subject: pstore: skip zero size persistent ram buffer in traverse
X-Git-Tag: v3.15-rc1~92^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa9a4a1edfbd3d223af01db833da2f07850bc655;p=pandora-kernel.git

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>
---

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