Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=028e14...
Commit: 028e1415a78733fcd2cba4b4c001826cc37a373e
Parent: 044fad0dbb4e814c061916fe5a36851af2fd1135
Author: Dhananjay Phadke <dhananjay@netxen.com>
AuthorDate: Tue Feb 24 03:44:23 2009 -0800
Committer: David S. Miller <davem@davemloft.net>
CommitDate: Tue Feb 24 03:44:23 2009 -0800
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: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/netxen/netxen_nic_main.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index f425811..1308778 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -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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