From 56997fa838e333cea33ab641d4aeedd23aef0eb1 Mon Sep 17 00:00:00 2001 From: Grant Grundler Date: Mon, 12 May 2008 00:37:51 -0600 Subject: [PATCH] [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 Signed-off-by: Jeff Garzik --- drivers/net/tulip/tulip_core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index f9d13fa..55670b5 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; -- 2.7.4