Commit 028e1415 authored by Dhananjay Phadke's avatar Dhananjay Phadke Committed by David S. Miller
Browse files

netxen: handle pci bar 0 mapping failure

PCI bar 0 is used for memory mapped register access.
If ioremap fails (returns NULL), register access results
in crash.

Use pci_ioremap_bar() instead of ioremap(), the latter
fails on on 32 bit powerpc where pci resource address is
> 32 bits.
Signed-off-by: default avatarDhananjay Phadke <>
Signed-off-by: default avatarDavid S. Miller <>
parent 044fad0d
......@@ -588,7 +588,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->pci_mem_read = netxen_nic_pci_mem_read_2M;
adapter->pci_mem_write = netxen_nic_pci_mem_write_2M;
mem_ptr0 = ioremap(mem_base, mem_len);
mem_ptr0 = pci_ioremap_bar(pdev, 0);
if (mem_ptr0 == NULL) {
dev_err(&pdev->dev, "failed to map PCI bar 0\n");
return -EIO;
pci_len0 = mem_len;
first_page_group_start = 0;
first_page_group_end = 0;
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