From 597d473f163a1672262b845ede8a65afdf1b27c6 Mon Sep 17 00:00:00 2001
From: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Date: Fri, 25 May 2012 10:03:03 +0200
Subject: [PATCH] Staging: ipack/devices/ipoctal: avoid kernel oops when
 uninstalling

When uninstalling a device, there is a loop of calls that produces, at the end,
two calls to __ipoctal_remove() function with the same ipack_device argument.

The first time works fine, but the second will fail in tty_unregister_driver()

To avoid this situation, the call to __ipoctal_remove() it is done only from the
ipack bus driver and not from the ipack device driver.

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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