diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-11-06 15:46:18 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-11-06 15:46:18 +0000 |
| commit | 330f28f691e9b349e34adcaf82b273cf061bb491 (patch) | |
| tree | fca3bfe41eff25ef19f576cef1979c68f6521af5 /drivers/acpi/pci_root.c | |
| parent | fe3e78e073d25308756f38019956061153267769 (diff) | |
| parent | 6fc786d5034ed7ce2d43c459211137de6d99dd28 (diff) | |
Merge branch 'for-2.6.32' into for-2.6.33
Diffstat (limited to 'drivers/acpi/pci_root.c')
| -rw-r--r-- | drivers/acpi/pci_root.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 31122214e0ec..1af808171d46 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -389,6 +389,17 @@ struct pci_dev *acpi_get_pci_dev(acpi_handle handle) pbus = pdev->subordinate; pci_dev_put(pdev); + + /* + * This function may be called for a non-PCI device that has a + * PCI parent (eg. a disk under a PCI SATA controller). In that + * case pdev->subordinate will be NULL for the parent. + */ + if (!pbus) { + dev_dbg(&pdev->dev, "Not a PCI-to-PCI bridge\n"); + pdev = NULL; + break; + } } out: list_for_each_entry_safe(node, tmp, &device_list, node) |