Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=549a68c3fe2ca320b0764d1289d17af797daa5d1
Commit:     549a68c3fe2ca320b0764d1289d17af797daa5d1
Parent:     4093785dd16d0b7058eb92331bfd7b40b12151f3
Author:     Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Fri May 11 11:21:44 2007 -0700
Committer:  Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Fri May 11 17:53:33 2007 -0400

    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 <[EMAIL PROTECTED]>
    Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
 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 a307310..3764008 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]);
 
-
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