diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-11-04 11:54:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-04 11:59:45 +0100 |
| commit | a2e71271535fde493c32803b1f34789f97efcb5e (patch) | |
| tree | 90d7139bea2f49e947f27af92614fa6eca50b64d /drivers/acpi/pci_root.c | |
| parent | 6d7aa9d721c8c640066142fd9534afcdf68d7f9d (diff) | |
| parent | b419148e567728f6af0c3b01965c1cc141e3e13a (diff) | |
Merge commit 'v2.6.32-rc6' into perf/core
Conflicts:
tools/perf/Makefile
Merge reason: Resolve the conflict, merge to upstream and merge in
perf fixes so we can add a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 31122214e0e..1af808171d4 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) |