From: Daeseok Youn <daeseok.youn@gmail.com>
Date: Fri, 13 Jun 2014 09:23:15 +0000 (+0900)
Subject: staging: dgap: unwind on error in dgap_init_one()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~166^2~1882
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91177d53a394a982735262428d2c876df0aaa38d;p=pandora-kernel.git

staging: dgap: unwind on error in dgap_init_one()

The dgap_init_one() needs to handle error properly
if one of functions in dgap_init_one() is failed.

Introduce some functions for handling error in dgap_init_one()
 - dgap_tty_unregister() : unregister tty driver
 - dgap_free_flipbuf() : free flip buffer
 - dgap_release_remap() : release memory region and unmapped memory.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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