Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933676Ab2HQCxa (ORCPT ); Thu, 16 Aug 2012 22:53:30 -0400 Received: from mail127.messagelabs.com ([216.82.250.115]:57391 "EHLO mail127.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933197Ab2HQCx2 (ORCPT ); Thu, 16 Aug 2012 22:53:28 -0400 X-Env-Sender: hartleys@visionengravers.com X-Msg-Ref: server-12.tower-127.messagelabs.com!1345172006!7769788!2 X-Originating-IP: [216.166.12.97] X-StarScan-Received: X-StarScan-Version: 6.6.1.2; banners=-,-,- X-VirusChecked: Checked From: H Hartley Sweeten To: Linux Kernel Subject: [PATCH 29/35] staging: comedi: cb_pcimdda: remove attached_to_8255 from private data Date: Thu, 16 Aug 2012 19:53:20 -0700 User-Agent: KMail/1.9.9 CC: , , MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-ID: <201208161953.21174.hartleys@visionengravers.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2100 Lines: 59 The attached_to_8255 variable in the private data is used as a flag to indicate that the 8255 subdevice has been initialized. The call to subdev_8255_cleanup only requires that the dev->subdevices pointer is valid. Change the test in the detach function and remove the attached_to_8255 variable. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Cc: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/cb_pcimdda.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c index e9f0a68..b10831d 100644 --- a/drivers/staging/comedi/drivers/cb_pcimdda.c +++ b/drivers/staging/comedi/drivers/cb_pcimdda.c @@ -105,8 +105,6 @@ Configuration Options: * struct. */ struct cb_pcimdda_private { - char attached_to_8255; /* boolean */ - #define MAX_AO_READBACK_CHANNELS 6 /* Used for AO readback */ unsigned int ao_readback[MAX_AO_READBACK_CHANNELS]; @@ -248,7 +246,6 @@ static int cb_pcimdda_attach(struct comedi_device *dev, dev->iobase + PCIMDDA_8255_BASE_REG); if (ret) return ret; - devpriv->attached_to_8255 = 1; dev_info(dev->class_dev, "%s attached\n", dev->board_name); @@ -258,14 +255,9 @@ static int cb_pcimdda_attach(struct comedi_device *dev, static void cb_pcimdda_detach(struct comedi_device *dev) { struct pci_dev *pcidev = comedi_to_pci_dev(dev); - struct cb_pcimdda_private *devpriv = dev->private; - if (devpriv) { - if (dev->subdevices && devpriv->attached_to_8255) { - subdev_8255_cleanup(dev, dev->subdevices + 2); - devpriv->attached_to_8255 = 0; - } - } + if (dev->subdevices) + subdev_8255_cleanup(dev, dev->subdevices + 2); if (pcidev) { if (dev->iobase) comedi_pci_disable(pcidev); -- 1.7.11 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/