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>

lib/efi_selftest/efi_selftest_devicepath.c

@@ -299,10 +299,10 @@ static int execute(void)
 			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) {