diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-acpi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index dfe7c8e1b18..b3a63edb690 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -83,6 +83,9 @@ static acpi_status acpi_run_osc(acpi_handle handle, if (ACPI_FAILURE(status)) return status; + if (!output.length) + return AE_NULL_OBJECT; + out_obj = output.pointer; if (out_obj->type != ACPI_TYPE_BUFFER) { printk(KERN_DEBUG "Evaluate _OSC returns wrong type\n"); |