fix code review format bug

Signed-off-by: Ngaohuatao <gaohuatao@huawei.com>

src/daemon/modules/image/oci/storage/layer_store/graphdriver/devmapper/deviceset.c

@@ -3128,6 +3128,12 @@ struct status *device_set_status(struct device_set *devset)
 
     if (pool_status(devset, &total_size_in_sectors, &transaction_id, &data_used, &data_total, &metadata_used,
                     &metadata_total) == 0) {
+        if (data_total == 0) {
+            ERROR("devmapper: device data total value is zero");
+            free_devmapper_status(st);
+            st = NULL;
+            goto free_out;
+        }
         uint64_t block_size_in_sectors = total_size_in_sectors / data_total;
         st->data.used = data_used * block_size_in_sectors * 512;
         st->data.total = data_total * block_size_in_sectors * 512;
@@ -3152,6 +3158,8 @@ struct status *device_set_status(struct device_set *devset)
         msg_len = snprintf(msg, PATH_MAX, "system semaphore nums has attached limit: %d", sem_usz);
         if (msg_len < 0 || msg_len >= PATH_MAX) {
             ERROR("Cannot get semaphore err msg");
+            free_devmapper_status(st);
+            st = NULL;
             goto free_out;
         }
         st->sem_msg = util_strdup_s(msg);

src/daemon/modules/image/oci/storage/layer_store/graphdriver/devmapper/driver_devmapper.c

@@ -205,7 +205,7 @@ char *devmapper_mount_layer(const char *id, const struct graphdriver *driver,
         goto out;
     }
 
-    if (util_mkdir_p(rootfs, 0755) != 0 || !util_dir_exists(rootfs)) {
+    if (util_mkdir_p(rootfs, DEFAULT_SECURE_DIRECTORY_MODE) != 0 || !util_dir_exists(rootfs)) {
         ERROR("Unable to create devmapper rootfs directory %s.", rootfs);
         ret = -1;
         if (unmount_device(id, mnt_point_dir, driver->devset) != 0) {

src/daemon/modules/image/oci/storage/layer_store/graphdriver/overlay2/driver_overlay2.c

@@ -394,7 +394,7 @@ static int mk_diff_directory(const char *layer_dir)
         goto out;
     }
 
-    if (util_mkdir_p(diff_dir, 0755) != 0) {
+    if (util_mkdir_p(diff_dir, DEFAULT_SECURE_DIRECTORY_MODE) != 0) {
         ERROR("Unable to create layer diff directory %s.", diff_dir);
         ret = -1;
         goto out;