diff --git a/[refs] b/[refs]
index 6d7f174cec54..9061322e1ecc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 76ff0e64d42fac59fb756536342a3d3f3e4e8833
+refs/heads/master: 651d62a8b0378b911f083a1712d9d228894f46d8
diff --git a/trunk/drivers/misc/ti-st/st_core.c b/trunk/drivers/misc/ti-st/st_core.c
index 1f973ce3043f..ba168a7d54d4 100644
--- a/trunk/drivers/misc/ti-st/st_core.c
+++ b/trunk/drivers/misc/ti-st/st_core.c
@@ -727,6 +727,7 @@ static void st_tty_close(struct tty_struct *tty)
 		if (st_gdata->is_registered[i] == true)
 			pr_err("%d not un-registered", i);
 		st_gdata->list[i] = NULL;
+		st_gdata->is_registered[i] = false;
 	}
 	st_gdata->protos_registered = 0;
 	spin_unlock_irqrestore(&st_gdata->lock, flags);