diff options
| author | Sheng Yang <sheng@linux.intel.com> | 2008-11-11 17:17:45 +0800 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2008-11-19 14:12:29 -0800 |
| commit | 1df8fb3d5f078f9cab901b6106ef2c9b74eef7df (patch) | |
| tree | 48941e9ff7997acb1af25ff2a546a921b383f06f /drivers/pci | |
| parent | 7f0f598a0069d1ab072375965a4b69137233169c (diff) | |
| download | linux-1df8fb3d5f078f9cab901b6106ef2c9b74eef7df.tar.gz linux-1df8fb3d5f078f9cab901b6106ef2c9b74eef7df.tar.bz2 linux-1df8fb3d5f078f9cab901b6106ef2c9b74eef7df.zip | |
PCI: Fix disable IRQ 0 in pci_reset_function()
Before initialization, dev->irq may be zero. Make sure we don't disable
it at reset time in that case.
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 21f2ac639cab..28af496b441e 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1832,7 +1832,7 @@ int pci_reset_function(struct pci_dev *dev) if (!(cap & PCI_EXP_DEVCAP_FLR)) return -ENOTTY; - if (!dev->msi_enabled && !dev->msix_enabled) + if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0) disable_irq(dev->irq); pci_save_state(dev); @@ -1841,7 +1841,7 @@ int pci_reset_function(struct pci_dev *dev) r = pci_execute_reset_function(dev); pci_restore_state(dev); - if (!dev->msi_enabled && !dev->msix_enabled) + if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0) enable_irq(dev->irq); return r; |