diff options
| author | Grant Grundler <grundler@parisc-linux.org> | 2008-05-12 00:37:51 -0600 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-05-30 22:10:11 -0400 |
| commit | 56997fa838e333cea33ab641d4aeedd23aef0eb1 (patch) | |
| tree | 85057c9bed204a24ecd63e05c8c83ef0207add92 | |
| parent | aefdbf1a3b832a580a50cf3d1dcbb717be7cbdbe (diff) | |
[netdrvr] tulip: oops in tulip_interrupt when hibernating with swsusp/suspend2
The following patch is seems to fix the tulip suspend/resume panic:
http://bugzilla.kernel.org/show_bug.cgi?id=8952#c46
My attempts at a cleaner patch failed and Pavel thinks this is OK.
Original from: kernelbugs@tap.homeip.net
Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
| -rw-r--r-- | drivers/net/tulip/tulip_core.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index f9d13fa05d64..55670b5eb611 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1729,12 +1729,15 @@ static int tulip_suspend (struct pci_dev *pdev, pm_message_t state) if (!dev) return -EINVAL; - if (netif_running(dev)) - tulip_down(dev); + if (!netif_running(dev)) + goto save_state; + + tulip_down(dev); netif_device_detach(dev); free_irq(dev->irq, dev); +save_state: pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, pci_choose_state(pdev, state)); @@ -1754,6 +1757,9 @@ static int tulip_resume(struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); + if (!netif_running(dev)) + return 0; + if ((retval = pci_enable_device(pdev))) { printk (KERN_ERR "tulip: pci_enable_device failed in resume\n"); return retval; |