PCI / ACPI: Mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 1472052 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index c2ab577..deb96d1 100644 (file)
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -548,6 +548,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
                        error = -EBUSY;
                        break;
                }
+               /* Fall through */
        case PCI_D0:
        case PCI_D1:
        case PCI_D2: