From 824625d3926f0caf4753426d2b24a8fc08a406c8 Mon Sep 17 00:00:00 2001
From: Vladimir Zapolskiy <vz@mleia.com>
Date: Mon, 27 Jul 2015 00:48:36 +0300
Subject: [PATCH] rtc: tx4939: clean up
 tx4939_rtc_nvram_read()/tx4939_rtc_nvram_write()

The change removes redundant sysfs binary file boundary checks, since
this task is already done on caller side in fs/sysfs/file.c

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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