From: Tomas Winkler <tomas.winkler@intel.com>
Date: Mon, 2 Sep 2013 00:11:04 +0000 (+0300)
Subject: mei: revamp read and write length checks
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~65^2~105
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd5de1f165ade430357960459491a067c7e3d21c;p=pandora-kernel.git

mei: revamp read and write length checks

1. Return zero on zero length read and writes
2. For a too large write return -EFBIG as defined in man write(2)
EFBIG  An attempt was made to write a file that
        exceeds the implementation-defined maximum
        file size or the process's file size limit,
        or to  write  at  a  position  past  the  maximum
        allowed offset.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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