shpc: fix error propaagation

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/pci/shpc.c b/hw/pci/shpc.c
index 65b2f51..9a39060 100644
--- a/hw/pci/shpc.c
+++ b/hw/pci/shpc.c
@@ -559,8 +559,9 @@
     uint8_t led;
     int slot;
 
-    shpc_device_hotplug_common(PCI_DEVICE(dev), &slot, shpc, errp);
+    shpc_device_hotplug_common(PCI_DEVICE(dev), &slot, shpc, &local_err);
     if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }