From 5fdb8c6127c3c594360fb5f2959a724809c0032e Mon Sep 17 00:00:00 2001
From: Hartmut Knaack <knaack.h@gmx.de>
Date: Sun, 31 May 2015 14:39:49 +0200
Subject: [PATCH] tools:iio:iio_event_monitor: save right errno

Move up error handling code to preserve the errno coming from ioctl(),
before it may be changed by close().

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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