staging: comedi: rtd520: remove the '#if 0' code in the attach

This driver has code #if 0'ed out that would allow cleaning up
the attach if there was an error. The comedi core currently
calls the detach function to do this if the attach fails.

Remove the #if 0'ed out code.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index aeccae9..d1753e2 100644 (file)
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -1886,52 +1886,6 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        printk("\ncomedi%d: rtd520 driver attached.\n", dev->minor);
 
        return 1;
-
-#if 0
-       /* hit an error, clean up memory and return ret */
-/* rtd_attach_die_error: */
-#ifdef USE_DMA
-       for (index = 0; index < DMA_CHAIN_COUNT; index++) {
-               if (NULL != devpriv->dma0Buff[index]) { /* free buffer memory */
-                       pci_free_consistent(devpriv->pci_dev,
-                                           sizeof(u16) * devpriv->fifoLen / 2,
-                                           devpriv->dma0Buff[index],
-                                           devpriv->dma0BuffPhysAddr[index]);
-                       devpriv->dma0Buff[index] = NULL;
-               }
-       }
-       if (NULL != devpriv->dma0Chain) {
-               pci_free_consistent(devpriv->pci_dev,
-                                   sizeof(struct plx_dma_desc)
-                                   * DMA_CHAIN_COUNT,
-                                   devpriv->dma0Chain,
-                                   devpriv->dma0ChainPhysAddr);
-               devpriv->dma0Chain = NULL;
-       }
-#endif /* USE_DMA */
-       /* subdevices and priv are freed by the core */
-       if (dev->irq) {
-               writel(readl(devpriv->lcfg + LCFG_ITCSR) &
-                       ~(ICS_PLIE | ICS_DMA0_E | ICS_DMA1_E),
-                       devpriv->lcfg + LCFG_ITCSR);
-               free_irq(dev->irq, dev);
-       }
-
-       /* release all regions that were allocated */
-       if (devpriv->las0)
-               iounmap(devpriv->las0);
-
-       if (devpriv->las1)
-               iounmap(devpriv->las1);
-
-       if (devpriv->lcfg)
-               iounmap(devpriv->lcfg);
-
-       if (devpriv->pci_dev)
-               pci_dev_put(devpriv->pci_dev);
-
-       return ret;
-#endif
 }
 
 static void rtd_detach(struct comedi_device *dev)