From 0a36d1459abc088d569656354c923c3070427eca Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Wed, 1 Dec 2021 23:45:35 +0200
Subject: [PATCH] Kernel: Return EINVAL on unsupported LocalSocket ioctl

ENOTTY is used to signify that no ioctl interface is provided at all,
but LocalSockets do support the FIONREAD ioctl.
---
 Kernel/Net/LocalSocket.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/Net/LocalSocket.cpp b/Kernel/Net/LocalSocket.cpp
index 2fdb923210..dbb14078e6 100644
--- a/Kernel/Net/LocalSocket.cpp
+++ b/Kernel/Net/LocalSocket.cpp
@@ -429,7 +429,7 @@ ErrorOr<void> LocalSocket::ioctl(OpenFileDescription& description, unsigned requ
     }
     }
 
-    return ENOTTY;
+    return EINVAL;
 }
 
 ErrorOr<void> LocalSocket::chmod(OpenFileDescription&, mode_t mode)