diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/jr3_pci.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c index 0d2c2eb23b23..bd397840dcba 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.c +++ b/drivers/staging/comedi/drivers/jr3_pci.c @@ -849,8 +849,11 @@ static int jr3_pci_attach(struct comedi_device *dev, } devpriv->pci_enabled = 1; - devpriv->iobase = - ioremap(pci_resource_start(card, 0), sizeof(struct jr3_t)); + devpriv->iobase = ioremap(pci_resource_start(card, 0), + offsetof(struct jr3_t, channel[devpriv->n_channels])); + if (!devpriv->iobase) + return -ENOMEM; + result = alloc_subdevices(dev, devpriv->n_channels); if (result < 0) goto out; |