From 2ec117b3caa68db175a76ba3b33d6abfd9d0db34 Mon Sep 17 00:00:00 2001
From: crafcat7 <chenrun1@xiaomi.com>
Date: Mon, 16 Jan 2023 23:59:41 +0800
Subject: [PATCH] fs/fs_fsync:Fix the expected error of socket,fifo and pipe
 returning error in fsync case

---
 drivers/pipes/pipe_common.c | 4 ++++
 net/local/local_sockif.c    | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/drivers/pipes/pipe_common.c b/drivers/pipes/pipe_common.c
index d68896dd1f..dbc90d2ff2 100644
--- a/drivers/pipes/pipe_common.c
+++ b/drivers/pipes/pipe_common.c
@@ -877,6 +877,10 @@ int pipecommon_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
         }
         break;
 
+      case BIOC_FLUSH:
+        ret = -EINVAL;
+        break;
+
       default:
         ret = -ENOTTY;
         break;
diff --git a/net/local/local_sockif.c b/net/local/local_sockif.c
index fa556734ad..ff6fd18c9e 100644
--- a/net/local/local_sockif.c
+++ b/net/local/local_sockif.c
@@ -847,6 +847,9 @@ static int local_ioctl(FAR struct socket *psock, int cmd, unsigned long arg)
             ret = -ENOTCONN;
           }
         break;
+      case BIOC_FLUSH:
+        ret = -EINVAL;
+        break;
       default:
         ret = -ENOTTY;
         break;