Check result of subdev_8255_init().

diff --git a/comedi/drivers/amplc_pci230.c b/comedi/drivers/amplc_pci230.c
index 3fd26d2ca177cedb148902feb19f08d66938d861..adaebd6d3222b9261feef086163146b76ac69630 100644 (file)
--- a/comedi/drivers/amplc_pci230.c
+++ b/comedi/drivers/amplc_pci230.c
@@ -384,7 +384,7 @@ static int pci230_attach(comedi_device *dev,comedi_devconfig *it)
        comedi_subdevice *s;
        unsigned long pci_iobase, iobase;               /* PCI230's I/O spaces 1 and 2 respectively. */
        struct pci_dev *pci_dev;
-       int i=0,irq_hdl;
+       int i=0,irq_hdl,rc;
 
        printk("comedi%d: amplc_pci230: attach %s %d,%d\n", dev->minor,
                        thisboard->name, it->options[0], it->options[1]);
@@ -562,7 +562,8 @@ static int pci230_attach(comedi_device *dev,comedi_devconfig *it)
        s=dev->subdevices+2;
        /* digital i/o subdevice */
        if(thisboard->have_dio){
-               subdev_8255_init(dev,s,NULL,(devpriv->pci_iobase + PCI230_PPI_X_A));
+               rc = subdev_8255_init(dev,s,NULL,(devpriv->pci_iobase + PCI230_PPI_X_A));
+               if(rc < 0) return rc;
        }else{
                s->type = COMEDI_SUBD_UNUSED;
        }