--- a/mount_root.c
+++ b/mount_root.c
@@ -101,6 +101,7 @@ stop(int argc, char *argv[1])
 static int
 done(int argc, char *argv[1])
 {
+	int ret;
 	struct volume *v = volume_find("rootfs_data");
 
 	if (!v)
@@ -109,7 +110,15 @@ done(int argc, char *argv[1])
 	switch (volume_identify(v)) {
 	case FS_NONE:
 	case FS_DEADCODE:
-		return jffs2_switch(v);
+		ret = jffs2_switch(v);
+		/*
+		* Devices mounted under /mnt will lost their mount point(see switch2jffs())
+		* if the filesystem's(/overlay) state is not FS_STATE_READY,
+		* this action can fix it.
+		*/
+		if (!access("/sbin/block", X_OK))
+			system("/sbin/block mount");
+		return ret;
 
 	case FS_EXT4:
 	case FS_F2FS: