From ec4f6ecce23d0bd6dcf47cfa1d21667861fe5dda Mon Sep 17 00:00:00 2001
From: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
Date: Tue, 29 Aug 2023 17:17:07 +0800
Subject: [PATCH] driver/serial: fix error echo about VT100 escape sequence

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
---
 drivers/serial/serial.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index 2c70f35210..b3ea7e6881 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -885,11 +885,11 @@ static ssize_t uart_read(FAR struct file *filep,
 
                   dev->escape = 0;
                 }
-              else  if (dev->escape > 0)
+              else if (dev->escape > 0)
                 {
                   /* Skipping character count down */
 
-                  if (--dev->escape > 0)
+                  if (dev->escape-- > 0)
                     {
                       continue;
                     }