diff options
| author |   Stephen Hemminger <shemminger@linux-foundation.org> | 2007-05-11 11:21:44 -0700 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2007-05-11 17:53:33 -0400 |
| commit | 549a68c3fe2ca320b0764d1289d17af797daa5d1 (patch) | |
| tree | 0c9f4b729ba37f6c28b725f885dc5ac6b9173485 /drivers/net/sky2.c | |
| parent | mlx4: don't use deprecated IRQ flags (diff) | |
| download | linux-dev-549a68c3fe2ca320b0764d1289d17af797daa5d1.tar.xz linux-dev-549a68c3fe2ca320b0764d1289d17af797daa5d1.zip | |
sky2: fix oops on shutdown
If the device is fails during module startup for some reason like
unsupported chip version then the driver would crash dereferencing a
null pointer, on shutdown or suspend/resume.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sky2.c')
| -rw-r--r-- | drivers/net/sky2.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index a307310f13f5..3764008270a2 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -3732,6 +3732,7 @@ err_out_free_regions: err_out_disable: pci_disable_device(pdev); err_out: + pci_set_drvdata(pdev, NULL); return err; } @@ -3784,6 +3785,9 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) struct sky2_hw *hw = pci_get_drvdata(pdev); int i, wol = 0; + if (!hw) + return 0; + del_timer_sync(&hw->idle_timer); netif_poll_disable(hw->dev[0]); @@ -3815,6 +3819,9 @@ static int sky2_resume(struct pci_dev *pdev) struct sky2_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; @@ -3861,6 +3868,9 @@ static void sky2_shutdown(struct pci_dev *pdev) struct sky2_hw *hw = pci_get_drvdata(pdev); int i, wol = 0; + if (!hw) + return; + del_timer_sync(&hw->idle_timer); netif_poll_disable(hw->dev[0]); |