netxen: fix crashes during module unload
This patch fixes two problems during driver unload. The pci_disable_device()
call is before firmware reload, causing reads and writes across PCI bus after
disabling device. Second problem is the register window was wrong during
firmware reload
Signed-off by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index ab85fb7..3122d01 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -746,9 +746,6 @@
netxen_nic_disable_int(adapter);
- if (adapter->irq)
- free_irq(adapter->irq, adapter);
-
if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
init_firmware_done++;
netxen_free_hw_resources(adapter);
@@ -772,13 +769,8 @@
}
}
- if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
- pci_disable_msi(pdev);
-
vfree(adapter->cmd_buf_arr);
- pci_disable_device(pdev);
-
if (adapter->portnum == 0) {
if (init_firmware_done) {
i = 100;
@@ -829,12 +821,19 @@
}
}
+ if (adapter->irq)
+ free_irq(adapter->irq, adapter);
+
+ if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ pci_disable_msi(pdev);
+
iounmap(adapter->ahw.db_base);
iounmap(adapter->ahw.pci_base0);
iounmap(adapter->ahw.pci_base1);
iounmap(adapter->ahw.pci_base2);
pci_release_regions(pdev);
+ pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
free_netdev(netdev);