From b85f8639f6ce56da9847f84e70db8bb150fe48e4 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 9 Jun 2026 06:52:56 +0000
Subject: [PATCH] chore: polish serial ioctl buffer naming

---
 components/drivers/serial/dev_serial.c    | 6 +++---
 components/drivers/serial/dev_serial_v2.c | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/components/drivers/serial/dev_serial.c b/components/drivers/serial/dev_serial.c
index 856624e871..40c6fd333e 100644
--- a/components/drivers/serial/dev_serial.c
+++ b/components/drivers/serial/dev_serial.c
@@ -154,7 +154,7 @@ static int serial_fops_ioctl(struct dfs_file *fd, int cmd, void *args)
             struct termio termio;
 #endif
             rt_uint16_t oflag;
-            rt_size_t recved;
+            rt_size_t unread_bytes;
         } karg;
         size_t arg_size = 0;
         void *kptr = args;
@@ -176,8 +176,8 @@ static int serial_fops_ioctl(struct dfs_file *fd, int cmd, void *args)
             copy_out = RT_TRUE;
             break;
         case FIONREAD:
-            arg_size = sizeof(karg.recved);
-            kptr = &karg.recved;
+            arg_size = sizeof(karg.unread_bytes);
+            kptr = &karg.unread_bytes;
             copy_out = RT_TRUE;
             break;
 #ifdef RT_USING_POSIX_TERMIOS
diff --git a/components/drivers/serial/dev_serial_v2.c b/components/drivers/serial/dev_serial_v2.c
index a70c34a30c..73c990df3a 100644
--- a/components/drivers/serial/dev_serial_v2.c
+++ b/components/drivers/serial/dev_serial_v2.c
@@ -162,7 +162,7 @@ static int serial_fops_ioctl(struct dfs_file *fd, int cmd, void *args)
             struct termio termio;
 #endif
             rt_uint16_t oflag;
-            rt_size_t recved;
+            rt_size_t unread_bytes;
             rt_int32_t timeout;
         } karg;
         size_t arg_size = 0;
@@ -202,8 +202,8 @@ static int serial_fops_ioctl(struct dfs_file *fd, int cmd, void *args)
             copy_out = RT_TRUE;
             break;
         case FIONREAD:
-            arg_size = sizeof(karg.recved);
-            kptr = &karg.recved;
+            arg_size = sizeof(karg.unread_bytes);
+            kptr = &karg.unread_bytes;
             copy_out = RT_TRUE;
             break;
 #ifdef RT_USING_POSIX_TERMIOS