diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8331c3c6..94325383 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ variables:
   DEBUG: 'TRUE'
   SOURCE_FOLDER: "."
   FLAWFINDER_OPTIONS: "-m 4 --error-level=5"
-  CPPCHECK_OPTIONS: " --enable=warning --enable=performance --enable=portability --enable=information -DBBFDM_ENABLE_DOTSO_PLUGIN -DBBFDM_ENABLE_DOTSO_PLUGIN -DBBF_TR181 -DBBF_VENDOR_IOPSYS --inline-suppr -i test/"
+  CPPCHECK_OPTIONS: "--enable=all --suppress=variableScope --suppress=unusedFunction --suppress=constParameter --suppress=knownConditionTrueFalse -DBBF_VENDOR_PREFIX=X_IOPSYS_EU_ -DBBFDM_ENABLE_DOTSO_PLUGIN -DBBFDM_ENABLE_DOTSO_PLUGIN -DBBF_TR181 -DBBF_VENDOR_IOPSYS -i test/"
 
 include:
   - project: 'iopsys/gitlab-ci-pipeline'
diff --git a/bbfdmd/ubus/bbfdmd.c b/bbfdmd/ubus/bbfdmd.c
index 2ae8100c..5e64bbc5 100644
--- a/bbfdmd/ubus/bbfdmd.c
+++ b/bbfdmd/ubus/bbfdmd.c
@@ -1036,11 +1036,11 @@ static int bbfdm_service_handler(struct ubus_context *ctx, struct ubus_object *o
 
 		if (tb[BBF_SERVICE_OBJECTS]) {
 			struct blob_attr *objs = tb[BBF_SERVICE_OBJECTS];
-			struct blob_attr *obj = NULL;
+			struct blob_attr *attr_obj = NULL;
 			size_t rem;
 
-			blobmsg_for_each_attr(obj, objs, rem) {
-				char *srv_obj = blobmsg_get_string(obj);
+			blobmsg_for_each_attr(attr_obj, objs, rem) {
+				char *srv_obj = blobmsg_get_string(attr_obj);
 				res |= load_service(DEAMON_DM_ROOT_OBJ, &head_registered_service, srv_name, srv_parent_dm, srv_obj);
 			}
 		} else {
@@ -1393,20 +1393,6 @@ static bool register_service(struct ubus_context *ctx)
 	return true;
 }
 
-bool file_exists(const char *path)
-{
-	struct stat buffer;
-
-	return stat(path, &buffer) == 0;
-}
-
-bool dir_exists(const char *path)
-{
-	struct stat buffer;
-
-	return (stat(path, &buffer) == 0 && S_ISDIR(buffer.st_mode));
-}
-
 static int _parse_daemon_config_options(bbfdm_config_t *config, json_object *daemon_obj)
 {
 	char *opt_val = NULL;
@@ -1505,7 +1491,7 @@ static int _fill_daemon_input_option(bbfdm_config_t *config, char *sname)
 	strncpyt(config->in_name, opt_val, sizeof(config->in_name));
 
 	snprintf(opt_val, MAX_DM_PATH, "%s/%s", BBFDM_DEFAULT_MICROSERVICE_MODULE_PATH, sname);
-	if (dir_exists(opt_val)) {
+	if (folder_exists(opt_val)) {
 		strncpyt(config->in_plugin_dir, opt_val, sizeof(config->in_plugin_dir));
 	}
 
diff --git a/bbfdmd/ubus/cli.c b/bbfdmd/ubus/cli.c
index dda00e6c..d3b2a05e 100644
--- a/bbfdmd/ubus/cli.c
+++ b/bbfdmd/ubus/cli.c
@@ -103,7 +103,7 @@ static struct blob_attr *get_results_array(struct blob_attr *msg)
 	return tb[0];
 }
 
-static void __ubus_callback(struct ubus_request *req, int type __attribute__((unused)), struct blob_attr *msg)
+static void __ubus_callback(struct ubus_request *req, int msgtype __attribute__((unused)), struct blob_attr *msg)
 {
 	struct blob_attr *cur = NULL;
 	int rem = 0;
diff --git a/bbfdmd/ubus/pretty_print.c b/bbfdmd/ubus/pretty_print.c
index fc207187..fd262e38 100644
--- a/bbfdmd/ubus/pretty_print.c
+++ b/bbfdmd/ubus/pretty_print.c
@@ -345,7 +345,7 @@ void prepare_result_blob(struct blob_buf *bb, struct list_head *pv_list)
 		return;
 
 	for (size_t i = 0; i < count; i++) {
-		struct pvNode *pv = &sortedPV[i];
+		pv = &sortedPV[i];
 		ptr = pv->param;
 		if (list_empty(&result_stack)) {
 			DEBUG("stack empty Processing (%s)", ptr);
diff --git a/libbbfdm-api/dmbbf.c b/libbbfdm-api/dmbbf.c
index a6b42b14..5ec83ed1 100644
--- a/libbbfdm-api/dmbbf.c
+++ b/libbbfdm-api/dmbbf.c
@@ -1229,9 +1229,10 @@ static int get_ubus_value(struct dmctx *dmctx, struct dmnode *node)
 
 static int get_ubus_supported_dm(struct dmctx *dmctx, struct dmnode *node)
 {
-	json_object *res = NULL, *res_obj = NULL;
+	json_object *res = NULL, *res_obj = NULL, *tmp_obj = NULL;
 	char *ubus_name = node->obj->checkdep;
 	char *in_path = (dmctx->in_param[0] == '\0' || rootcmp(dmctx->in_param, "Device") == 0) ? node->current_object : dmctx->in_param;
+	char *tmp;
 
 	json_object *in_args = json_object_new_object();
 	json_object_object_add(in_args, "proto", json_object_new_string((dmctx->dm_type == BBFDM_BOTH) ? "both" : (dmctx->dm_type == BBFDM_CWMP) ? "cwmp" : "usp"));
@@ -1288,10 +1289,10 @@ static int get_ubus_supported_dm(struct dmctx *dmctx, struct dmnode *node)
 				op->in = dmcalloc(in_nbre + 1, sizeof(char *));
 
 				for (j = 0; j < in_nbre; j++) {
-					json_object *res_obj = json_object_array_get_idx(input_array, j);
+					tmp_obj = json_object_array_get_idx(input_array, j);
 
-					char *in_path = dmjson_get_value(res_obj, 1, "path");
-					op->in[j] = dmstrdup(in_path);
+					tmp = dmjson_get_value(tmp_obj, 1, "path");
+					op->in[j] = dmstrdup(tmp);
 				}
 				op->in[j] = NULL;
 			}
@@ -1303,10 +1304,10 @@ static int get_ubus_supported_dm(struct dmctx *dmctx, struct dmnode *node)
 				op->out = dmcalloc(out_nbre + 1, sizeof(char *));
 
 				for (j = 0; j < out_nbre; j++) {
-					json_object *res_obj = json_object_array_get_idx(output_array, j);
+					tmp_obj = json_object_array_get_idx(output_array, j);
 
-					char *in_path = dmjson_get_value(res_obj, 1, "path");
-					op->out[j] = dmstrdup(in_path);
+					tmp = dmjson_get_value(tmp_obj, 1, "path");
+					op->out[j] = dmstrdup(tmp);
 				}
 				op->out[j] = NULL;
 			}
@@ -1324,10 +1325,10 @@ static int get_ubus_supported_dm(struct dmctx *dmctx, struct dmnode *node)
 				ev->param = dmcalloc(in_nbre + 1, sizeof(char *));
 
 				for (j = 0; j < in_nbre; j++) {
-					json_object *res_obj = json_object_array_get_idx(input_array, j);
+					tmp_obj = json_object_array_get_idx(input_array, j);
 
-					char *in_path = dmjson_get_value(res_obj, 1, "path");
-					ev->param[j] = dmstrdup(in_path);
+					tmp = dmjson_get_value(tmp_obj, 1, "path");
+					ev->param[j] = dmstrdup(tmp);
 				}
 				ev->param[j] = NULL;
 			}
diff --git a/libbbfdm-api/dmcommon.c b/libbbfdm-api/dmcommon.c
index d519daaa..b37ccbfd 100644
--- a/libbbfdm-api/dmcommon.c
+++ b/libbbfdm-api/dmcommon.c
@@ -2126,15 +2126,15 @@ char *replace_str(const char *input_str, const char *old_substr, const char *new
 
 	size_t i = 0;
 	while (*input_str) {
-		char *match = strstr(input_str, old_substr);
-		if (match == input_str) {
+		char *tmp = strstr(input_str, old_substr);
+		if (tmp == input_str) {
 			// Replace old_substr with new_substr
 			strncpy(&result[i], new_substr, new_substr_len);
 			i += new_substr_len;
 			input_str += old_substr_len;
-		} else if (match) {
+		} else if (tmp) {
 			// Copy characters from input_str to result until the match
-			size_t len = match - input_str;
+			size_t len = tmp - input_str;
 			strncpy(&result[i], input_str, len);
 			i += len;
 			input_str += len;
@@ -2534,7 +2534,7 @@ long upload_file(const char *file_path, const char *url, const char *username, c
 		char dst_path[2046] = {0};
 		char buff[BUFSIZ] = {0};
 		FILE *sfp, *dfp;
-		int n, count=0;
+		size_t n;
 
 		sfp = fopen(file_path, "rb");
 		if (sfp == NULL) {
@@ -2550,7 +2550,6 @@ long upload_file(const char *file_path, const char *url, const char *username, c
 
 		while ((n = fread(buff, 1, BUFSIZ, sfp)) != 0) {
 			fwrite(buff, 1, n, dfp);
-			count+=n;
 		}
 
 		fclose(sfp);
diff --git a/libbbfdm-api/plugin/json_plugin.c b/libbbfdm-api/plugin/json_plugin.c
index 02d8d3d0..0bffa98a 100644
--- a/libbbfdm-api/plugin/json_plugin.c
+++ b/libbbfdm-api/plugin/json_plugin.c
@@ -1596,11 +1596,11 @@ static int set_value_from_mapping(json_object *param_obj, int json_version, char
 	if (!type_obj)
 		return -1;
 
-	char *type = json_object_get_string(type_obj);
-	if (!type)
+	char *dm_type = json_object_get_string(type_obj);
+	if (!dm_type)
 		return -1;
 
-	if (DM_LSTRCMP(type, "boolean") == 0) {
+	if (DM_LSTRCMP(dm_type, "boolean") == 0) {
 		value = dmuci_string_to_boolean(value) ? "1" : "0";
 	}
 
diff --git a/libbbfdm/dmlayer.c b/libbbfdm/dmlayer.c
index 4b149a82..07a39a3b 100644
--- a/libbbfdm/dmlayer.c
+++ b/libbbfdm/dmlayer.c
@@ -74,7 +74,7 @@ void gre___get_tunnel_system_name(struct uci_section *iface_section, char *devic
 {
 	char *proto = NULL;
 
-	if (!iface_section || !device_str_size || !device_str_size)
+	if (!iface_section || !device_str_size)
 		return;
 
 	dmuci_get_value_by_section_string(iface_section, "proto", &proto);
@@ -481,7 +481,7 @@ char *ethernet___get_ethernet_interface_name(char *device_name)
 
 			dmuci_get_value_by_section_string(dev_s, "type", &type);
 			if (DM_STRCMP(type, "8021ad") == 0) {
-				char *has_vid = DM_STRRCHR(dev_name, '.');
+				has_vid = DM_STRRCHR(dev_name, '.');
 				if (has_vid)
 					*has_vid = '\0';
 			}
diff --git a/libbbfdm/dmtree/tr181/wifi.c b/libbbfdm/dmtree/tr181/wifi.c
index dab28b5a..9875bc28 100644
--- a/libbbfdm/dmtree/tr181/wifi.c
+++ b/libbbfdm/dmtree/tr181/wifi.c
@@ -65,9 +65,9 @@ static inline int init_wifi_radio_power(struct dm_data *curr_data)
 		char *dbm = dmjson_get_value(power, 1, "dbm");
 		if (!dbm)
 			continue;
-		int power = (int)strtod(dbm, NULL);
+		int power_dbm = (int)strtod(dbm, NULL);
 		if (ind < MAX_POWER_INDEX) {
-			curr_radio_power->transmit_power[ind] = power;
+			curr_radio_power->transmit_power[ind] = power_dbm;
 			ind++;
 		}
 	}