ftl: implement flash_release()

source/ftl/dev.c

@@ -13,8 +13,10 @@ static int ftl_flash_read(struct flash_dev *dev, uint32_t addr, void *data,
 static int ftl_flash_write(struct flash_dev *dev, uint32_t addr,
 	const void *data, size_t len);
 static int ftl_flash_erase(struct flash_dev *dev, uint32_t addr);
+static void ftl_flash_release(struct flash_dev *dev);
 
 static struct flash_ops ftl_flash_ops = {
+	.release = ftl_flash_release,
 	.get_size = ftl_flash_get_size,
 	.get_capacity = ftl_flash_get_capacity,
 	.read = ftl_flash_read,
@@ -94,3 +96,14 @@ err_free_dev:
 	free(dev);
 	return NULL;
 }
+
+static void ftl_flash_release(struct flash_dev *dev)
+{
+	struct ftl_map *map;
+
+	map = dev->priv;
+
+	flash_release(map->dev);
+	free(map);
+	free(dev);
+}