Fix crash while loading config due to incorrect tw_storage_path

Change-Id: Ia5957efe616defa4272501cd8f31d26d394077bb
Signed-off-by: Vojtech Bocek <vbocek@gmail.com>

data.cpp

@@ -280,7 +280,9 @@ error:
 	fclose(in);
 	string current = GetCurrentStoragePath();
 	TWPartition* Part = PartitionManager.Find_Partition_By_Path(current);
-	if (current != Part->Storage_Path && Part->Mount(false)) {
+	if(!Part)
+		Part = PartitionManager.Get_Default_Storage_Partition();
+	if (Part && current != Part->Storage_Path && Part->Mount(false)) {
 		LOGINFO("LoadValues setting storage path to '%s'\n", Part->Storage_Path.c_str());
 		SetValue("tw_storage_path", Part->Storage_Path);
 	} else {
@@ -586,11 +588,16 @@ void DataManager::SetDefaultValues()
 	mConstValues.insert(make_pair("false", "0"));
 
 	mConstValues.insert(make_pair(TW_VERSION_VAR, TW_VERSION_STR));
-	mValues.insert(make_pair("tw_storage_path", make_pair("/", 1)));
 	mValues.insert(make_pair("tw_button_vibrate", make_pair("80", 1)));
 	mValues.insert(make_pair("tw_keyboard_vibrate", make_pair("40", 1)));
 	mValues.insert(make_pair("tw_action_vibrate", make_pair("160", 1)));
 
+	TWPartition *store = PartitionManager.Get_Default_Storage_Partition();
+	if(store)
+		mValues.insert(make_pair("tw_storage_path", make_pair(store->Storage_Path.c_str(), 1)));
+	else
+		mValues.insert(make_pair("tw_storage_path", make_pair("/", 1)));
+
 #ifdef TW_FORCE_CPUINFO_FOR_DEVICE_ID
 	printf("TW_FORCE_CPUINFO_FOR_DEVICE_ID := true\n");
 #endif

partitionmanager.cpp

@@ -1955,3 +1955,19 @@ void TWPartitionManager::Output_Storage_Fstab(void) {
 	}
 	fclose(fp);
 }
+
+TWPartition *TWPartitionManager::Get_Default_Storage_Partition()
+{
+	TWPartition *res = NULL;
+	for (std::vector<TWPartition*>::iterator iter = Partitions.begin(); iter != Partitions.end(); ++iter) {
+		if(!(*iter)->Is_Storage)
+			continue;
+
+		if((*iter)->Is_Settings_Storage)
+			return *iter;
+
+		if(!res)
+			res = *iter;
+	}
+	return res;
+}

partitions.hpp

@@ -206,6 +206,7 @@ public:
 	void Mount_All_Storage(void);                                             // Mounts all storage locations
 	void UnMount_Main_Partitions(void);                                       // Unmounts system and data if not data/media and boot if boot is mountable
 	int Partition_SDCard(void);                                               // Repartitions the sdcard
+	TWPartition *Get_Default_Storage_Partition();                             // Returns a pointer to a default storage partition
 
 	int Fix_Permissions();
 	void Get_Partition_List(string ListType, std::vector<PartitionList> *Partition_List);