PCI: Mark fall-through switch cases before enabling -Wimplicit-fallthrough

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

Warning level 2 was used: -Wimplicit-fallthrough=2

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index c684faa..cfc46e8 100644 (file)
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -436,6 +436,7 @@ int pciehp_sysfs_enable_slot(struct slot *p_slot)
        switch (p_slot->state) {
        case BLINKINGON_STATE:
                cancel_delayed_work(&p_slot->work);
+               /* fall through */
        case STATIC_STATE:
                p_slot->state = POWERON_STATE;
                mutex_unlock(&p_slot->lock);
@@ -473,6 +474,7 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot)
        switch (p_slot->state) {
        case BLINKINGOFF_STATE:
                cancel_delayed_work(&p_slot->work);
+               /* fall through */
        case STATIC_STATE:
                p_slot->state = POWEROFF_STATE;
                mutex_unlock(&p_slot->lock);

diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index 1047b56..1267dcc 100644 (file)
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -654,6 +654,7 @@ int shpchp_sysfs_enable_slot(struct slot *p_slot)
        switch (p_slot->state) {
        case BLINKINGON_STATE:
                cancel_delayed_work(&p_slot->work);
+               /* fall through */
        case STATIC_STATE:
                p_slot->state = POWERON_STATE;
                mutex_unlock(&p_slot->lock);
@@ -689,6 +690,7 @@ int shpchp_sysfs_disable_slot(struct slot *p_slot)
        switch (p_slot->state) {
        case BLINKINGOFF_STATE:
                cancel_delayed_work(&p_slot->work);
+               /* fall through */
        case STATIC_STATE:
                p_slot->state = POWEROFF_STATE;
                mutex_unlock(&p_slot->lock);

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 97acba7..f5c6ab1 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2045,6 +2045,7 @@ static pci_power_t pci_target_state(struct pci_dev *dev, bool wakeup)
                case PCI_D2:
                        if (pci_no_d1d2(dev))
                                break;
+                       /* else: fall through */
                default:
                        target_state = state;
                }

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index f439de8..502275c 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2105,6 +2105,7 @@ static void quirk_netmos(struct pci_dev *dev)
                if (dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
                                dev->subsystem_device == 0x0299)
                        return;
+               /* else: fall through */
        case PCI_DEVICE_ID_NETMOS_9735:
        case PCI_DEVICE_ID_NETMOS_9745:
        case PCI_DEVICE_ID_NETMOS_9845: