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-rw-r--r--qga/commands-win32.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index bd0f3cccfe..b5fee6a2cd 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -874,10 +874,14 @@ static void get_single_disk_info(int disk_number,
      * if that doesn't hold since that suggests some other unexpected
      * breakage
      */
-    disk->pci_controller = get_pci_info(disk_number, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        goto err_close;
+    if (disk->bus_type == GUEST_DISK_BUS_TYPE_USB) {
+        disk->pci_controller = get_empty_pci_address();
+    } else {
+        disk->pci_controller = get_pci_info(disk_number, &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            goto err_close;
+        }
     }
     if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
             || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE