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staging: comedi: addi_apci_3120: cleanup apci3120_detach() 

This driver always tried to allocate the dma buffers so they need to
be free'd when the board is detached.

Remove the unneeded tests for the eeprom chip and bring the code
back an indent.

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>
This commit is contained in:
H Hartley Sweeten 2012-11-01 17:30:37 -07:00 committed by Greg Kroah-Hartman
parent 0bb482e25c
commit 97641816b5
1 changed files with 9 additions and 15 deletions
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24
drivers/staging/comedi/drivers/addi_apci_3120.c
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@ -223,7 +223,6 @@ static int apci3120_attach_pci(struct comedi_device *dev,
static void apci3120_detach(struct comedi_device *dev)
{
const struct addi_board *this_board = comedi_board(dev);
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
struct addi_private *devpriv = dev->private;
@ -232,20 +231,15 @@ static void apci3120_detach(struct comedi_device *dev)
i_APCI3120_Reset(dev);
if (dev->irq)
free_irq(dev->irq, dev);
if ((this_board->pc_EepromChip == NULL) ||
(strcmp(this_board->pc_EepromChip, ADDIDATA_9054) != 0)) {
if (devpriv->ul_DmaBufferVirtual[0]) {
free_pages((unsigned long)devpriv->
ul_DmaBufferVirtual[0],
devpriv->ui_DmaBufferPages[0]);
}
if (devpriv->ul_DmaBufferVirtual[1]) {
free_pages((unsigned long)devpriv->
ul_DmaBufferVirtual[1],
devpriv->ui_DmaBufferPages[1]);
}
} else {
iounmap(devpriv->dw_AiBase);
if (devpriv->ul_DmaBufferVirtual[0]) {
free_pages((unsigned long)devpriv->
ul_DmaBufferVirtual[0],
devpriv->ui_DmaBufferPages[0]);
}
if (devpriv->ul_DmaBufferVirtual[1]) {
free_pages((unsigned long)devpriv->
ul_DmaBufferVirtual[1],
devpriv->ui_DmaBufferPages[1]);
}
}
if (pcidev) {