From: John Hodge <tpg@mutabah.net>
Date: Mon, 22 Jul 2013 12:10:18 +0000 (+0800)
Subject: Kernel/VFS - Added debug for IOCtl failing
X-Git-Tag: rel0.15~344
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=733cd5c013a1a67eca03b158a257e0fb18b9545e;p=tpg%2Facess2.git

Kernel/VFS - Added debug for IOCtl failing
---

diff --git a/KernelLand/Kernel/vfs/io.c b/KernelLand/Kernel/vfs/io.c
index 4bd26fda..271e920d 100644
--- a/KernelLand/Kernel/vfs/io.c
+++ b/KernelLand/Kernel/vfs/io.c
@@ -234,9 +234,17 @@ int VFS_IOCtl(int FD, int ID, void *Buffer)
 	tVFS_Handle	*h;
 	
 	h = VFS_GetHandle(FD);
-	if(!h)	return -1;
+	if(!h) {
+		LOG("FD%i is invalid", FD);
+		errno = EINVAL;
+		return -1;
+	}
 
-	if(!h->Node->Type || !h->Node->Type->IOCtl)	return -1;
+	if(!h->Node->Type || !h->Node->Type->IOCtl) {
+		LOG("FD%i does not have an IOCtl method");
+		errno = EINVAL;
+		return -1;
+	}
 	return h->Node->Type->IOCtl(h->Node, ID, Buffer);
 }