From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934311Ab2AJXCx (ORCPT ); Tue, 10 Jan 2012 18:02:53 -0500 Received: from cantor2.suse.de ([195.135.220.15]:52657 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934297Ab2AJXCs (ORCPT ); Tue, 10 Jan 2012 18:02:48 -0500 X-Mailbox-Line: From gregkh@clark.kroah.org Tue Jan 10 13:56:03 2012 Message-Id: <20120110215603.884365302@clark.kroah.org> User-Agent: quilt/0.50-25.1 Date: Tue, 10 Jan 2012 13:55:30 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, "K. Y. Srinivasan" , Fuzhou Chen , Sasha Levin Subject: [27/49] Drivers:hv: Fix a bug in vmbus_driver_unregister() In-Reply-To: <20120110215609.GA22505@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: "K. Y. Srinivasan" commit 8f257a142fc3868d69de3f996b95d7bdbc509560 upstream. The function vmbus_exists() was introduced recently to deal with cases where the vmbus driver failed to initialize and yet other Hyper-V drivers attempted to register with the vmbus bus driver. This patch introduced a bug where vmbus_driver_unregister() would fail to unregister the driver. This patch fixes the problem. Signed-off-by: K. Y. Srinivasan Signed-off-by: Fuzhou Chen Cc: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/hv/vmbus_drv.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -627,10 +627,7 @@ void vmbus_driver_unregister(struct hv_d pr_info("unregistering driver %s\n", hv_driver->name); if (!vmbus_exists()) - return; - - driver_unregister(&hv_driver->driver); - + driver_unregister(&hv_driver->driver); } EXPORT_SYMBOL_GPL(vmbus_driver_unregister);