From: Konstantin Khlebnikov <khlebnikov@openvz.org>
Date: Fri, 14 Dec 2012 11:02:44 +0000 (+0400)
Subject: staging: vme_pio2: fix oops on module unloading
X-Git-Tag: v3.8-rc4~24^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9349f8af28ea89639b3c97da583d60631ed10398;p=pandora-kernel.git

staging: vme_pio2: fix oops on module unloading

This patch forbids loading vme_pio2 module without specifing "num_bus" parameter.
Otherwise on module unloading pio2_exit() calls vme_unregister_driver() for not
registered pio2_driver.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Manohar Vanga <manohar.vanga@gmail.com>
Acked-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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