diff options
| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-05-15 15:08:26 -0700 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2007-05-23 14:32:53 -0700 |
| commit | 71609984a43bab184a8f47eb34b15704cb7c0485 (patch) | |
| tree | 03a27482638c3b67bf0cc160513d71e0d0912955 /drivers | |
| parent | aba5b093486f76219c57a4603b1feed97eaba462 (diff) | |
[PATCH] skge: crash on shutdown/suspend
If device fails during module startup for some reason (like unsupported chip
version) then driver would crash dereferencing a null pointer, on shutdown
or suspend/resume.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/skge.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 74c19c529d0..5ef902390c6 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -3794,6 +3794,9 @@ 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; @@ -3822,6 +3825,9 @@ 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; @@ -3860,6 +3866,9 @@ 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); |