Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e3b7df17c8344fbcc00e871e03f5f88d58905277
Commit: e3b7df17c8344fbcc00e871e03f5f88d58905277
Parent: 549a68c3fe2ca320b0764d1289d17af797daa5d1
Author: Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Fri May 11 11:21:45 2007 -0700
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Fri May 11 17:53:36 2007 -0400
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: Stephen Hemminger <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
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 e048957..7766929 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -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);
-
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