From 8fdbc75b70967f78cbd508e33c4a1da9e90b09f8 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Wed, 10 Apr 2013 10:03:59 -0700
Subject: [PATCH] staging: comedi: das1800: use __comedi_request_region()

Use __comedi_request_region() to request the additional I/O region
used by this driver.

Remove the error message when the request_region() fails,
comedi_request_reqion() will output the error message if necessary.

For aesthetic reasons, rename the local variable 'retval' to
simply 'ret'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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