s390x/pci: add some fallthrough annotations

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

Reported-by: Stefan Weil <sw@weilnetz.de>
Fixes: 5d1abf2344 ("s390x/pci: enforce zPCI state checking")
Acked-by: Collin Walling <walling@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Cornelia Huck 2019-07-08 14:34:13 +02:00
parent 0b18cfb8f1
commit efac5ae420

View File

@ -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) {