From 097d17ad093701091b0925aa7b13378cb9aed9df Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Thu, 16 May 2013 14:08:46 +0800
Subject: [PATCH] Kernel/VFS - Fixed bug with setting flags on FD0

---
 KernelLand/Kernel/vfs/open.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/KernelLand/Kernel/vfs/open.c b/KernelLand/Kernel/vfs/open.c
index 748d0f7e..68c9bd2e 100644
--- a/KernelLand/Kernel/vfs/open.c
+++ b/KernelLand/Kernel/vfs/open.c
@@ -810,7 +810,10 @@ int VFS_DuplicateFD(int SrcFD, int DstFD)
 int VFS_SetFDFlags(int FD, int Mask, int Value)
 {
 	tVFS_Handle	*h = VFS_GetHandle(FD);
-	if(!FD)	return -1;
+	if(!h) {
+		errno = EBADF;
+		return -1;
+	}
 	 int	ret = h->Mode;
 	
 	Value &= Mask;
-- 
2.20.1