Commit e3b7df17 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik

skge: crash on shutdown/suspend

If device is not fails during module startup (like unsupported chip
version) then driver would crash dereferencing a null pointer, on shutdown
or suspend/resume.
Signed-off-by: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 549a68c3
......@@ -3802,6 +3802,9 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
struct skge_hw *hw = pci_get_drvdata(pdev);
int i, err, wol = 0;
if (!hw)
return 0;
err = pci_save_state(pdev);
if (err)
return err;
......@@ -3830,6 +3833,9 @@ static int skge_resume(struct pci_dev *pdev)
struct skge_hw *hw = pci_get_drvdata(pdev);
int i, err;
if (!hw)
return 0;
err = pci_set_power_state(pdev, PCI_D0);
if (err)
goto out;
......@@ -3868,6 +3874,9 @@ static void skge_shutdown(struct pci_dev *pdev)
struct skge_hw *hw = pci_get_drvdata(pdev);
int i, wol = 0;
if (!hw)
return;
for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
struct skge_port *skge = netdev_priv(dev);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment