From 75f65b6af6e48f61e36e951aaa447bfc97e46773 Mon Sep 17 00:00:00 2001
From: sp-cai <70000077+sp-cai@users.noreply.github.com>
Date: Sat, 8 Jul 2023 11:52:32 +0800
Subject: [PATCH] =?UTF-8?q?[components][drivers][serial]=20serial.c=20?=
 =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=B8=B2=E5=8F=A3=E6=9C=89=E6=97=B6=E9=87=8D?=
 =?UTF-8?q?=E5=A4=8D=E5=8F=91=E9=80=81=20'\r'=20=E7=9A=84=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98=20(#7767)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/drivers/serial/serial.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c
index fe5ea0f294..fd904078f7 100644
--- a/components/drivers/serial/serial.c
+++ b/components/drivers/serial/serial.c
@@ -359,10 +359,9 @@ rt_inline int _serial_int_tx(struct rt_serial_device *serial, const rt_uint8_t *
             }
         }
 
-        if (serial->ops->putc(serial, *(char*)data) == -1)
+        while (serial->ops->putc(serial, *(char*)data) == -1)
         {
             rt_completion_wait(&(tx->completion), RT_WAITING_FOREVER);
-            continue;
         }
 
         data ++; length --;