X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=EdkUnixPkg%2FDxe%2FUnixThunk%2FBus%2FBlockIo%2FComponentName.c;h=19085fd88a7c592a79070ebc46cad2927335b027;hb=8d8daecb5435d879c1b1244d51876f37359759a3;hp=fd4b75e46fafe94227adf0cf009d12519f427aef;hpb=c9093a06e72ef16d2f3bd7ce0a2b9a172e9d048c;p=mirror_edk2.git

diff --git a/EdkUnixPkg/Dxe/UnixThunk/Bus/BlockIo/ComponentName.c b/EdkUnixPkg/Dxe/UnixThunk/Bus/BlockIo/ComponentName.c
index fd4b75e46f..19085fd88a 100644
--- a/EdkUnixPkg/Dxe/UnixThunk/Bus/BlockIo/ComponentName.c
+++ b/EdkUnixPkg/Dxe/UnixThunk/Bus/BlockIo/ComponentName.c
@@ -160,7 +160,17 @@ UnixBlockIoComponentNameGetControllerName (
   if (ChildHandle != NULL) {
     return EFI_UNSUPPORTED;
   }
-
+  //
+  // Make sure this driver is currently managing ControllerHandle
+  //
+  Status = EfiTestManagedDevice (
+             ControllerHandle,
+             gUnixBlockIoDriverBinding.DriverBindingHandle,
+             &gEfiUnixIoProtocolGuid
+             );
+  if (EFI_ERROR (Status)) {
+    return EFI_UNSUPPORTED;
+  }
   //
   // Get our context back
   //