[libvirt] [PATCH 1/2] qemuIsMultiFunctionDevice: return early for non-PCI addresses

[Ján Tomko]

There is no point in iterating over all devices if none of them
could possibly match.
---
 src/qemu/qemu_hotplug.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 0288986d8..aebd00598 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -3752,6 +3752,9 @@ static int qemuComparePCIDevice(virDomainDefPtr def ATTRIBUTE_UNUSED,
 static bool qemuIsMultiFunctionDevice(virDomainDefPtr def,
                                       virDomainDeviceInfoPtr dev)
 {
+    if (dev->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI)
+        return false;
+
     if (virDomainDeviceInfoIterate(def, qemuComparePCIDevice, dev) < 0)
         return true;
     return false;
@@ -4828,8 +4831,7 @@ int qemuDomainDetachControllerDevice(virQEMUDriverPtr driver,
         goto cleanup;
     }
 
-    if (detach->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI &&
-        qemuIsMultiFunctionDevice(vm->def, &detach->info)) {
+    if (qemuIsMultiFunctionDevice(vm->def, &detach->info)) {
         virReportError(VIR_ERR_OPERATION_FAILED,
                        _("cannot hot unplug multifunction PCI device: %s"),
                        dev->data.disk->dst);
-- 
2.13.0