From: Cornelia Huck <cohuck@redhat.com>
Date: Mon, 8 Jul 2019 12:34:13 +0000 (+0200)
Subject: s390x/pci: add some fallthrough annotations
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=efac5ae420ca0644db9360861a1bf02d040afd18;p=qemu.git

s390x/pci: add some fallthrough annotations

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

Reported-by: Stefan Weil <sw@weilnetz.de>
Fixes: 5d1abf234462 ("s390x/pci: enforce zPCI state checking")
Acked-by: Collin Walling <walling@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---

diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
index 61f30b8e55..00235148be 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) {