From 9fb4ab968f7261d93dfbd897a289f78178dd6ff6 Mon Sep 17 00:00:00 2001
From: Louie Lu <git@louie.lu>
Date: Thu, 17 Aug 2017 16:03:21 +0800
Subject: [PATCH] Fix serial hang when scheduler work

---
 drivers/serial/serialchar.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/serial/serialchar.c b/drivers/serial/serialchar.c
index 2b23733..03e4647 100644
--- a/drivers/serial/serialchar.c
+++ b/drivers/serial/serialchar.c
@@ -30,8 +30,6 @@ static ssize_t serialchar_read(struct file *file,
     struct serial_info *serial = file->f_private;
 
     while (serial->rx_count < count) {
-        CURRENT_THREAD_INFO(cur_thread);
-        sched_dequeue(cur_thread);
         sched_elect(0);
     }
     if (count == 1)