[qemu-s390x] [PULL for-4.1 1/1] s390x/pci: add some fallthrough annotations

[Cornelia Huck]

According to the comment, the bits are supposed to accumulate.

Reported-by: Stefan Weil <address@hidden>
Fixes: 5d1abf234462 ("s390x/pci: enforce zPCI state checking")
Acked-by: Collin Walling <address@hidden>
Signed-off-by: Cornelia Huck <address@hidden>
---
 hw/s390x/s390-pci-inst.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
index 61f30b8e55d2..00235148bed7 100644
--- a/hw/s390x/s390-pci-inst.c
+++ b/hw/s390x/s390-pci-inst.c
@@ -1209,8 +1209,10 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, 
uint64_t fiba, uint8_t ar,
      * FH Enabled bit is set to one in states of ENABLED, BLOCKED or ERROR. */
     case ZPCI_FS_ERROR:
         fib.fc |= 0x20;
+        /* fallthrough */
     case ZPCI_FS_BLOCKED:
         fib.fc |= 0x40;
+        /* fallthrough */
     case ZPCI_FS_ENABLED:
         fib.fc |= 0x80;
         if (pbdev->iommu->enabled) {
-- 
2.20.1