3c59x: handle pci_iomap() errors

pci_iomap() can fail, handle this case and return -ENOMEM from probe
function.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 069a03f717d3..9b137e14dbb0 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1020,6 +1020,11 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
         ioaddr = pci_iomap(pdev, pci_bar, 0);
         if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */
                 ioaddr = pci_iomap(pdev, 0, 0);
+        if (!ioaddr) {
+                pci_disable_device(pdev);
+                rc = -ENOMEM;
+                goto out;
+        }
 
         rc = vortex_probe1(&pdev->dev, ioaddr, pdev->irq,
                            ent->driver_data, unit);