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storage: lfs fingerprint wasn't updated when both geometry changed & factory reset was requested, resulting in second re-format on next boot (#1372)

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hedger 2022-07-05 15:17:26 +03:00 committed by GitHub
parent 05b7b7f2db
commit c49db35ee0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 5 deletions
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13
applications/storage/storages/storage_int.c
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@ -4,6 +4,7 @@
#define TAG "StorageInt" #define TAG "StorageInt"
#define STORAGE_PATH "/int" #define STORAGE_PATH "/int"
#define LFS_CLEAN_FINGERPRINT 0
typedef struct { typedef struct {
const size_t start_address; const size_t start_address;
@ -162,8 +163,9 @@ static LFSData* storage_int_lfs_data_alloc() {
return lfs_data; return lfs_data;
}; };
static bool storage_int_is_fingerprint_valid(LFSData* lfs_data) { // Returns true if fingerprint was invalid and LFS reformatting is needed
bool value = true; static bool storage_int_check_and_set_fingerprint(LFSData* lfs_data) {
bool value = false;
uint32_t os_fingerprint = 0; uint32_t os_fingerprint = 0;
os_fingerprint |= ((lfs_data->start_page & 0xFF) << 0); os_fingerprint |= ((lfs_data->start_page & 0xFF) << 0);
@ -171,13 +173,13 @@ static bool storage_int_is_fingerprint_valid(LFSData* lfs_data) {
os_fingerprint |= ((LFS_DISK_VERSION_MAJOR & 0xFFFF) << 16); os_fingerprint |= ((LFS_DISK_VERSION_MAJOR & 0xFFFF) << 16);
uint32_t rtc_fingerprint = furi_hal_rtc_get_register(FuriHalRtcRegisterLfsFingerprint); uint32_t rtc_fingerprint = furi_hal_rtc_get_register(FuriHalRtcRegisterLfsFingerprint);
if(rtc_fingerprint == 0) { if(rtc_fingerprint == LFS_CLEAN_FINGERPRINT) {
FURI_LOG_I(TAG, "Storing LFS fingerprint in RTC"); FURI_LOG_I(TAG, "Storing LFS fingerprint in RTC");
furi_hal_rtc_set_register(FuriHalRtcRegisterLfsFingerprint, os_fingerprint); furi_hal_rtc_set_register(FuriHalRtcRegisterLfsFingerprint, os_fingerprint);
} else if(rtc_fingerprint != os_fingerprint) { } else if(rtc_fingerprint != os_fingerprint) {
FURI_LOG_E(TAG, "LFS fingerprint mismatch"); FURI_LOG_E(TAG, "LFS fingerprint mismatch");
furi_hal_rtc_set_register(FuriHalRtcRegisterLfsFingerprint, os_fingerprint); furi_hal_rtc_set_register(FuriHalRtcRegisterLfsFingerprint, os_fingerprint);
value = false; value = true;
} }
return value; return value;
@ -187,8 +189,9 @@ static void storage_int_lfs_mount(LFSData* lfs_data, StorageData* storage) {
int err; int err;
lfs_t* lfs = &lfs_data->lfs; lfs_t* lfs = &lfs_data->lfs;
bool was_fingerprint_outdated = storage_int_check_and_set_fingerprint(lfs_data);
bool need_format = furi_hal_rtc_is_flag_set(FuriHalRtcFlagFactoryReset) || bool need_format = furi_hal_rtc_is_flag_set(FuriHalRtcFlagFactoryReset) ||
!storage_int_is_fingerprint_valid(lfs_data); was_fingerprint_outdated;
if(need_format) { if(need_format) {
// Format storage // Format storage