[Qemu-devel] [PATCH v4 8/9] s390x/kvm: msi route fixup for non-pci

[Cornelia Huck <cohuck@redhat.com>]

If we don't provide pci, we cannot have a pci device for which we
have to translate to adapter routes: just return -ENODEV.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
 target/s390x/kvm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 9de165d8b1..d8db1cbf6e 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -2424,6 +2424,12 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
     uint32_t idx = data >> ZPCI_MSI_VEC_BITS;
     uint32_t vec = data & ZPCI_MSI_VEC_MASK;
 
+    if (!s390_has_feat(S390_FEAT_ZPCI)) {
+        /* How can we get here without pci enabled? */
+        g_assert(false);
+        return -ENODEV;
+    }
+
     pbdev = s390_pci_find_dev_by_idx(s390_get_phb(), idx);
     if (!pbdev) {
         DPRINTF("add_msi_route no dev\n");
-- 
2.13.3