Merge pull request #11173 from michalpasztamobica/coverity_fixes

Coverity and compilation warnings fixes

Author: Seppo Takalo

components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.cpp

@@ -107,7 +107,8 @@ static unsigned int local_math_power(int base, int exp);
 //***********************
 SPIFBlockDevice::SPIFBlockDevice(
     PinName mosi, PinName miso, PinName sclk, PinName csel, int freq)
-    : _spi(mosi, miso, sclk), _cs(csel), _device_size_bytes(0), _is_initialized(false), _init_ref_count(0)
+    : _spi(mosi, miso, sclk), _cs(csel), _read_instruction(0), _prog_instruction(0), _erase_instruction(0),
+      _erase4k_inst(0), _page_size_bytes(0), _device_size_bytes(0), _init_ref_count(0), _is_initialized(false)
 {
     _address_size = SPIF_ADDR_SIZE_3_BYTES;
     // Initial SFDP read tables are read with 8 dummy cycles
@@ -205,7 +206,7 @@ int SPIFBlockDevice::init()
     _region_high_boundary[0] = _device_size_bytes - 1;
 
     if ((sector_map_table_addr != 0) && (0 != sector_map_table_size)) {
-        debug_if(MBED_CONF_SPIF_DRIVER_DEBUG, "DEBUG: init - Parsing Sector Map Table - addr: 0x%lxh, Size: %d", sector_map_table_addr,
+        debug_if(MBED_CONF_SPIF_DRIVER_DEBUG, "DEBUG: init - Parsing Sector Map Table - addr: 0x%" PRIx32 "h, Size: %d", sector_map_table_addr,
                  sector_map_table_size);
         if (0 != _sfdp_parse_sector_map_table(sector_map_table_addr, sector_map_table_size)) {
             tr_error("init - Parse Sector Map Table Failed");
@@ -296,7 +297,7 @@ int SPIFBlockDevice::program(const void *buffer, bd_addr_t addr, bd_size_t size)
     uint32_t offset = 0;
     uint32_t chunk = 0;
 
-    debug_if(MBED_CONF_SPIF_DRIVER_DEBUG, "DEBUG: program - Buff: 0x%lxh, addr: %llu, size: %llu", (uint32_t)buffer, addr, size);
+    debug_if(MBED_CONF_SPIF_DRIVER_DEBUG, "DEBUG: program - Buff: 0x%" PRIx32 "h, addr: %llu, size: %llu", (uint32_t)buffer, addr, size);
 
     while (size > 0) {
 
@@ -352,6 +353,10 @@ int SPIFBlockDevice::erase(bd_addr_t addr, bd_size_t in_size)
     int status = SPIF_BD_ERROR_OK;
     // Find region of erased address
     int region = _utils_find_addr_region(addr);
+    if (region < 0) {
+        tr_error("no region found for address %llu", addr);
+        return SPIF_BD_ERROR_INVALID_ERASE_PARAMS;
+    }
     // Erase Types of selected region
     uint8_t bitfield = _region_erase_types_bitfield[region];
 
@@ -377,7 +382,7 @@ int SPIFBlockDevice::erase(bd_addr_t addr, bd_size_t in_size)
         offset = addr % _erase_type_size_arr[type];
         chunk = ((offset + size) < _erase_type_size_arr[type]) ? size : (_erase_type_size_arr[type] - offset);
 
-        debug_if(MBED_CONF_SPIF_DRIVER_DEBUG, "DEBUG: erase - addr: %llu, size:%d, Inst: 0x%xh, chunk: %lu , ",
+        debug_if(MBED_CONF_SPIF_DRIVER_DEBUG, "DEBUG: erase - addr: %llu, size:%d, Inst: 0x%xh, chunk: %" PRIu32 " , ",
                  addr, size, cur_erase_inst, chunk);
         debug_if(MBED_CONF_SPIF_DRIVER_DEBUG, "DEBUG: erase - Region: %d, Type:%d",
                  region, type);
@@ -439,7 +444,7 @@ bd_size_t SPIFBlockDevice::get_erase_size() const
 }
 
 // Find minimal erase size supported by the region to which the address belongs to
-bd_size_t SPIFBlockDevice::get_erase_size(bd_addr_t addr)
+bd_size_t SPIFBlockDevice::get_erase_size(bd_addr_t addr) const
 {
     // Find region of current address
     int region = _utils_find_addr_region(addr);
@@ -693,7 +698,7 @@ int SPIFBlockDevice::_sfdp_parse_basic_param_table(uint32_t basic_table_addr, si
                                 (param_table[5] << 8) |
                                 param_table[4]);
     _device_size_bytes = (density_bits + 1) / 8;
-    tr_debug("Density bits: %ld , device size: %llu bytes", density_bits, _device_size_bytes);
+    tr_debug("Density bits: %" PRIu32 " , device size: %llu bytes", density_bits, _device_size_bytes);
 
     // Set Default read/program/erase Instructions
     _read_instruction = SPIF_READ;
@@ -998,7 +1003,7 @@ int SPIFBlockDevice::_set_write_enable()
 /*********************************************/
 /************* Utility Functions *************/
 /*********************************************/
-int SPIFBlockDevice::_utils_find_addr_region(bd_size_t offset)
+int SPIFBlockDevice::_utils_find_addr_region(bd_size_t offset) const
 {
     //Find the region to which the given offset belong to
     if ((offset > _device_size_bytes) || (_regions_count == 0)) {

components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.h

@@ -170,7 +170,7 @@ class SPIFBlockDevice : public mbed::BlockDevice {
      *  @return         Size of minimal erase sector size, in given address region, in bytes
      *  @note Must be a multiple of the program size
      */
-    virtual mbed::bd_size_t get_erase_size(mbed::bd_addr_t addr);
+    virtual mbed::bd_size_t get_erase_size(mbed::bd_addr_t addr) const;
 
     /** Get the value of storage byte after it was erased
      *
@@ -227,7 +227,7 @@ class SPIFBlockDevice : public mbed::BlockDevice {
     /* Utilities Functions */
     /***********************/
     // Find the region to which the given offset belongs to
-    int _utils_find_addr_region(bd_size_t offset);
+    int _utils_find_addr_region(bd_size_t offset) const;
 
     // Iterate on all supported Erase Types of the Region to which the offset belongs to.
     // Iterates from highest type to lowest

features/netsocket/nsapi_dns.cpp

@@ -717,7 +717,7 @@ nsapi_value_or_error_t nsapi_dns_query_multiple_async(NetworkStack *stack, const
 
     if (!dns_timer_running) {
         if (nsapi_dns_call_in(query->call_in_cb, DNS_TIMER_TIMEOUT, mbed::callback(nsapi_dns_query_async_timeout)) != NSAPI_ERROR_OK) {
-            delete query->host;
+            delete[] query->host;
             delete query;
             dns_mutex->unlock();
             return NSAPI_ERROR_NO_MEMORY;

features/storage/blockdevice/BufferedBlockDevice.cpp

@@ -28,7 +28,7 @@ static inline uint32_t align_down(bd_size_t val, bd_size_t size)
 }
 
 BufferedBlockDevice::BufferedBlockDevice(BlockDevice *bd)
-    : _bd(bd), _bd_program_size(0), _bd_read_size(0), _write_cache_addr(0), _write_cache_valid(false),
+    : _bd(bd), _bd_program_size(0), _bd_read_size(0), _bd_size(0), _write_cache_addr(0), _write_cache_valid(false),
       _write_cache(0), _read_buf(0), _init_ref_count(0), _is_initialized(false)
 {
 }

features/storage/filesystem/fat/ChaN/ff.cpp

@@ -2719,7 +2719,7 @@ void get_fileinfo (
 		if (wc == 0) { di = 0; break; }		/* Buffer overflow? */
 		di += wc;
 #else					/* ANSI/OEM output */
-		fno->altname[di++] = (TCHAR)wc;	/* Store it without any conversion */
+		if (di <= FF_SFN_BUF) fno->altname[di++] = (TCHAR)wc;	/* Store it without any conversion */
 #endif
 	}
 	fno->altname[di] = 0;	/* Terminate the SFN  (null string means SFN is invalid) */
@@ -4938,7 +4938,7 @@ FRESULT f_mkdir (
 					res = sync_fs(fs);
 				}
 			} else {
-				remove_chain(&dj.obj, dcl, 0);		/* Could not register, remove cluster chain */
+				res = remove_chain(&dj.obj, dcl, 0);    /* Could not register, remove cluster chain */
 			}
 		}
 		FREE_NAMBUF();
@@ -4967,7 +4967,8 @@ FRESULT f_rename (
 	DEF_NAMBUF
 
 
-	get_ldnumber(&path_new);						/* Snip the drive number of new name off */
+	int vol = get_ldnumber(&path_new);              /* Snip the drive number of new name off */
+    if (vol < 0) return FR_INVALID_DRIVE;
 	res = find_volume(&path_old, &fs, FA_WRITE);	/* Get logical drive of the old object */
 	if (res == FR_OK) {
 		djo.obj.fs = fs;

features/storage/filesystem/fat/FATFileSystem.cpp

@@ -282,6 +282,7 @@ extern "C" DRESULT disk_ioctl(BYTE pdrv, BYTE cmd, void *buff)
 FATFileSystem::FATFileSystem(const char *name, BlockDevice *bd)
     : FileSystem(name), _id(-1)
 {
+    _fs = { 0 };
     if (bd) {
         mount(bd);
     }

features/storage/filesystem/littlefs/LittleFileSystem.cpp

@@ -149,6 +149,9 @@ LittleFileSystem::LittleFileSystem(const char *name, BlockDevice *bd,
     , _prog_size(prog_size)
     , _block_size(block_size)
     , _lookahead(lookahead)
+    , _lfs()
+    , _config()
+    , _bd(NULL)
 {
     if (bd) {
         mount(bd);

features/storage/filesystem/littlefs/littlefs/lfs.c

@@ -924,7 +924,7 @@ int lfs_mkdir(lfs_t *lfs, const char *path) {
     // build up new directory
     lfs_alloc_ack(lfs);
 
-    lfs_dir_t dir;
+    lfs_dir_t dir = { 0 };
     err = lfs_dir_alloc(lfs, &dir);
     if (err) {
         return err;
@@ -2106,7 +2106,7 @@ int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) {
     lfs_alloc_ack(lfs);
 
     // create superblock dir
-    lfs_dir_t superdir;
+    lfs_dir_t superdir = { 0 };
     err = lfs_dir_alloc(lfs, &superdir);
     if (err) {
         goto cleanup;

features/storage/kvstore/filesystemstore/FileSystemStore.cpp

@@ -64,7 +64,8 @@ static char *string_ndup(const char *src, size_t size);
 
 // Class Functions
 FileSystemStore::FileSystemStore(FileSystem *fs) : _fs(fs),
-    _is_initialized(false)
+    _is_initialized(false), _cfg_fs_path(NULL), _cfg_fs_path_size(0),
+    _full_path_key(NULL), _cur_inc_data_size(0), _cur_inc_set_handle(NULL)
 {
 
 }
@@ -534,7 +535,7 @@ int FileSystemStore::iterator_next(iterator_t it, char *key, size_t key_size)
 
     key_it = (key_iterator_handle_t *)it;
 
-    if (key_name_size < strlen(key_it->prefix)) {
+    if ((key_it->prefix != NULL) && (key_name_size < strlen(key_it->prefix))) {
         status = MBED_ERROR_INVALID_SIZE;
         goto exit_point;
     }
@@ -579,9 +580,8 @@ int FileSystemStore::iterator_close(iterator_t it)
         delete[] key_it->prefix;
     }
 
-    ((Dir *)(key_it->dir_handle))->close();
-
     if (key_it->dir_handle != NULL) {
+        ((Dir *)(key_it->dir_handle))->close();
         delete ((Dir *)(key_it->dir_handle));
     }
     delete key_it;

features/storage/kvstore/kv_map/KVMap.cpp

@@ -65,7 +65,7 @@ int KVMap::attach(const char *partition_name, kvstore_config_t *kv_config)
         goto exit;
     }
 
-    kv_partition_name = new char[strlen(partition_name + 1)];
+    kv_partition_name = new char[strlen(partition_name) + 1];
     strcpy(kv_partition_name, partition_name);
     _kv_map_table[_kv_num_attached_kvs].partition_name = kv_partition_name;
     _kv_map_table[_kv_num_attached_kvs].kv_config = kv_config;
@@ -251,10 +251,7 @@ KVStore *KVMap::get_internal_kv_instance(const char *name)
     size_t key_index = 0;
 
     int ret = config_lookup(name, &kv_config, &key_index);
-    if (ret != MBED_SUCCESS) {
-        goto exit;
-    }
-exit:
+
     _mutex->unlock();
 
     return ret != MBED_SUCCESS ? NULL : kv_config->internal_store;
@@ -269,10 +266,7 @@ KVStore *KVMap::get_external_kv_instance(const char *name)
     size_t key_index = 0;
 
     int ret = config_lookup(name, &kv_config, &key_index);
-    if (ret != MBED_SUCCESS) {
-        goto exit;
-    }
-exit:
+
     _mutex->unlock();
 
     return ret != MBED_SUCCESS ? NULL : kv_config->external_store;
@@ -287,10 +281,7 @@ KVStore *KVMap::get_main_kv_instance(const char *name)
     size_t key_index = 0;
 
     int ret = config_lookup(name, &kv_config, &key_index);
-    if (ret != MBED_SUCCESS) {
-        goto exit;
-    }
-exit:
+
     _mutex->unlock();
 
     return ret != MBED_SUCCESS ? NULL : kv_config->kvstore_main_instance;
@@ -305,10 +296,7 @@ BlockDevice *KVMap::get_internal_blockdevice_instance(const char *name)
     size_t key_index = 0;
 
     int ret = config_lookup(name, &kv_config, &key_index);
-    if (ret != MBED_SUCCESS) {
-        goto exit;
-    }
-exit:
+
     _mutex->unlock();
 
     return ret != MBED_SUCCESS ? NULL : kv_config->internal_bd;
@@ -323,10 +311,7 @@ BlockDevice *KVMap::get_external_blockdevice_instance(const char *name)
     size_t key_index = 0;
 
     int ret = config_lookup(name, &kv_config, &key_index);
-    if (ret != MBED_SUCCESS) {
-        goto exit;
-    }
-exit:
+
     _mutex->unlock();
 
     return ret != MBED_SUCCESS ? NULL : kv_config->external_bd;
@@ -341,10 +326,7 @@ FileSystem *KVMap::get_external_filesystem_instance(const char *name)
     size_t key_index = 0;
 
     int ret = config_lookup(name, &kv_config, &key_index);
-    if (ret != MBED_SUCCESS) {
-        goto exit;
-    }
-exit:
+
     _mutex->unlock();
 
     return ret != MBED_SUCCESS ? NULL : kv_config->external_fs;

features/storage/kvstore/securestore/SecureStore.cpp

@@ -109,7 +109,7 @@ int encrypt_decrypt_start(mbedtls_aes_context &enc_aes_ctx, uint8_t *iv, const c
 int encrypt_decrypt_data(mbedtls_aes_context &enc_aes_ctx, const uint8_t *in_buf,
                          uint8_t *out_buf, uint32_t chunk_size, uint8_t *ctr_buf, size_t &aes_offs)
 {
-    uint8_t stream_block[enc_block_size];
+    uint8_t stream_block[enc_block_size] = { 0 };
 
     return mbedtls_aes_crypt_ctr(&enc_aes_ctx, chunk_size, &aes_offs, ctr_buf,
                                  stream_block, in_buf, out_buf);

features/storage/kvstore/tdbstore/TDBStore.cpp

@@ -128,6 +128,12 @@ TDBStore::TDBStore(BlockDevice *bd) : _ram_table(0), _max_keys(0),
     _master_record_size(0), _is_initialized(false), _active_area(0), _active_area_version(0), _size(0),
     _prog_size(0), _work_buf(0), _key_buf(0), _variant_bd_erase_unit_size(false), _inc_set_handle(0)
 {
+    for (int i = 0; i < _num_areas; i++) {
+        _area_params[i] = { 0 };
+    }
+    for (int i = 0; i < _max_open_iterators; i++) {
+        _iterator_table[i] = { 0 };
+    }
 }
 
 TDBStore::~TDBStore()
@@ -392,8 +398,8 @@ int TDBStore::set_start(set_handle_t *handle, const char *key, size_t final_data
                         uint32_t create_flags)
 {
     int ret;
-    uint32_t offset;
-    uint32_t hash, ram_table_ind;
+    uint32_t offset = 0;
+    uint32_t hash = 0, ram_table_ind = 0;
     inc_set_handle_t *ih;
     bool need_gc = false;
 

features/storage/nvstore/source/nvstore.cpp

@@ -148,6 +148,9 @@ NVStore::NVStore() : _init_done(0), _init_attempts(0), _active_area(0), _max_key
     _active_area_version(0), _free_space_offset(0), _size(0), _mutex(0), _offset_by_key(0), _flash(0),
     _min_prog_size(0), _page_buf(0)
 {
+    for (int i = 0; i < NVSTORE_NUM_AREAS; i++) {
+        _flash_area_params[i] = { 0 };
+    }
 }
 
 NVStore::~NVStore()
@@ -859,7 +862,9 @@ int NVStore::init()
     if (!_flash) {
         return NVSTORE_OS_ERROR;
     }
-    _flash->init();
+    if (_flash->init() < 0) {
+        return NVSTORE_OS_ERROR;
+    }
 
     _min_prog_size = std::max(_flash->get_page_size(), (uint32_t)sizeof(nvstore_record_header_t));
     if (_min_prog_size > sizeof(nvstore_record_header_t)) {