From c661b95864690741f21f42976806ab1825af5e12 Mon Sep 17 00:00:00 2001
From: Narr the Reg <juangerman-13@hotmail.com>
Date: Mon, 15 Jan 2024 13:59:56 -0600
Subject: [PATCH] service: nfc: Create backup when none exist
---
src/core/hle/service/nfc/common/device.cpp | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/core/hle/service/nfc/common/device.cpp b/src/core/hle/service/nfc/common/device.cpp
index 31cc87acc2..cc7776efc2 100644
--- a/src/core/hle/service/nfc/common/device.cpp
+++ b/src/core/hle/service/nfc/common/device.cpp
@@ -441,7 +441,10 @@ Result NfcDevice::Mount(NFP::ModelType model_type, NFP::MountTarget mount_target
device_state = DeviceState::TagMounted;
mount_target = mount_target_;
- if (!is_corrupted && mount_target != NFP::MountTarget::Rom) {
+ const bool create_backup =
+ mount_target == NFP::MountTarget::All || mount_target == NFP::MountTarget::Ram ||
+ (mount_target == NFP::MountTarget::Rom && HasBackup(encrypted_tag_data.uuid).IsError());
+ if (!is_corrupted && create_backup) {
std::vector<u8> data(sizeof(NFP::EncryptedNTAG215File));
memcpy(data.data(), &encrypted_tag_data, sizeof(encrypted_tag_data));
WriteBackupData(encrypted_tag_data.uuid, data);