efi_selftest: do not try to close device path protocol

CloseProtocol cannot be called without agent handle.

There is no need to close the device path protocol if
it has been opened without agent handle.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/lib/efi_selftest/efi_selftest_devicepath.c b/lib/efi_selftest/efi_selftest_devicepath.c
index 1ab54eb..d9a6697 100644
--- a/lib/efi_selftest/efi_selftest_devicepath.c
+++ b/lib/efi_selftest/efi_selftest_devicepath.c
@@ -299,10 +299,10 @@
 			efi_st_error("FreePool failed\n");
 			return EFI_ST_FAILURE;
 		}
-		ret = boottime->close_protocol(handles[i], &guid_device_path,
-					       NULL, NULL);
-		if (ret != EFI_SUCCESS)
-			efi_st_todo("Cannot close device path protocol.\n");
+		/*
+		 * CloseProtocol cannot be called without agent handle.
+		 * There is no need to close the device path protocol.
+		 */
 	}
 	ret = boottime->free_pool(handles);
 	if (ret != EFI_SUCCESS) {