qdev: Add a DEV_NVECTORS_UNSPECIFIED enum for unspecified nr of MSI vectors

net.c used a constant to signify no MSI vectors were specified. Extend
that to all qdev devices.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reported-by: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

2 files changed, 5 insertions, 1 deletions

diff --git a/hw/qdev.c b/hw/qdev.c
index d0052d436c..b634890068 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -387,7 +387,7 @@ void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
         qdev_prop_set_vlan(dev, "vlan", nd->vlan);
     if (nd->netdev)
         qdev_prop_set_netdev(dev, "netdev", nd->netdev);
-    if (nd->nvectors != NIC_NVECTORS_UNSPECIFIED &&
+    if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
         qdev_prop_exists(dev, "vectors")) {
         qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
     }
diff --git a/hw/qdev.h b/hw/qdev.h
index 0eb45b0476..adfcf795c3 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -24,6 +24,10 @@ enum DevState {
     DEV_STATE_INITIALIZED,
 };
 
+enum {
+    DEV_NVECTORS_UNSPECIFIED = -1,
+};
+
 /* This structure should not be accessed directly.  We declare it here
    so that it can be embedded in individual device state structures.  */
 struct DeviceState {