From 90c7089d47755a3edaf9008282225c5019fa188c Mon Sep 17 00:00:00 2001
From: xiao-mang <53597406+xiao-mang@users.noreply.github.com>
Date: Sat, 21 Oct 2023 08:41:55 +0800
Subject: [PATCH] fix ash echo (#8150)

---
 bsp/qemu-virt64-aarch64/drivers/drv_uart.c | 3 +++
 components/dfs/dfs_v2/src/dfs_file.c       | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/bsp/qemu-virt64-aarch64/drivers/drv_uart.c b/bsp/qemu-virt64-aarch64/drivers/drv_uart.c
index 57d9b653eb..12005d297d 100644
--- a/bsp/qemu-virt64-aarch64/drivers/drv_uart.c
+++ b/bsp/qemu-virt64-aarch64/drivers/drv_uart.c
@@ -65,6 +65,9 @@ static rt_err_t uart_control(struct rt_serial_device *serial, int cmd, void *arg
         UART_IMSC(uart->hw_base) |= UARTIMSC_RXIM;
         rt_hw_interrupt_umask(uart->irqno);
         break;
+
+    default:
+        return -1;
     }
 
     return RT_EOK;
diff --git a/components/dfs/dfs_v2/src/dfs_file.c b/components/dfs/dfs_v2/src/dfs_file.c
index 3cbf8912f1..d2d27010cf 100644
--- a/components/dfs/dfs_v2/src/dfs_file.c
+++ b/components/dfs/dfs_v2/src/dfs_file.c
@@ -1066,6 +1066,11 @@ int dfs_file_fcntl(int fd, int cmd, unsigned long arg)
         case F_SETLK:
         case F_SETLKW:
             break;
+#ifdef RT_USING_MUSLLIBC
+        case F_DUPFD_CLOEXEC:
+            ret = -EINVAL;
+            break;
+#endif
         default:
             ret = -EPERM;
             break;