staging: comedi: daqboard2000: add back subsystem_device check

As mentioned by Ian Abbott, this driver originally checked
the pci_dev subsystem_device in order to make sure that the
pci_dev was compatible with this driver. The cleanup of the
"find pci device" code removed this check. Add it back.

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

diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c
index ef28385c14825808a88181ec2e3ad8cee7cbca10..7236cbe87e2bf1e223803a0bba3b517520ef957b 100644 (file)
--- a/drivers/staging/comedi/drivers/daqboard2000.c
+++ b/drivers/staging/comedi/drivers/daqboard2000.c
@@ -718,7 +718,8 @@ static struct pci_dev *daqboard2000_find_pci_dev(struct comedi_device *dev,
                                continue;
                }
                if (pcidev->vendor != PCI_VENDOR_ID_IOTECH ||
-                   pcidev->device != 0x0409)
+                   pcidev->device != 0x0409 ||
+                   pcidev->subsystem_device != PCI_VENDOR_ID_IOTECH)
                        continue;
 
                for (i = 0; i < ARRAY_SIZE(boardtypes); i++) {