From: Hartmut Knaack <knaack.h@gmx.de>
Date: Sun, 31 May 2015 12:40:15 +0000 (+0200)
Subject: tools:iio:lsiio: add error handling
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~121^2~256^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acf50b3586f8d8a7530b905e111dda41876d38f4;p=pandora-kernel.git

tools:iio:lsiio: add error handling

Add error handling to calls which can indicate a major problem by
returning an error code.
This also involves to change the type of dump_devices() from void to int.

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