1.修复sd卡热插拔内存泄露的bug

2.dfs增加函数，配合实现sd卡热插拔自动挂载卸载文件系统

1 files changed, 4 insertions, 3 deletions

diff --git a/components/drivers/sdio/block_dev.c b/components/drivers/sdio/block_dev.c
index cac4fc5036..5db0f38c08 100644
--- a/components/drivers/sdio/block_dev.c
+++ b/components/drivers/sdio/block_dev.c
@@ -472,7 +472,7 @@ rt_int32_t rt_mmcsd_blk_probe(struct rt_mmcsd_card *card)
             }
 
 #ifdef RT_USING_DFS_MNTTABLE
-            if (0) // if (blk_dev)
+            if (blk_dev)
             {
             	LOG_I("try to mount file system!");
             	/* try to mount file system on this block device */
@@ -507,9 +507,10 @@ void rt_mmcsd_blk_remove(struct rt_mmcsd_card *card)
         	const char * mounted_path = dfs_filesystem_get_mounted_path(&(blk_dev->dev));
         	if (mounted_path)
         	{
-        		dfs_unmount(mounted_path);
+                  dfs_unmount(mounted_path);
+                  LOG_D("unmount file system %s for device %s.\r\n", mounted_path, blk_dev->dev.parent.name);
         	}
-
+            rt_sem_delete(blk_dev->part.lock);
             rt_device_unregister(&blk_dev->dev);
             rt_list_remove(&blk_dev->list);
             rt_free(blk_dev);