From c23aabe53389c4621e35b8f719d0d00f3b5da77f Mon Sep 17 00:00:00 2001
From: Bill Zissimopoulos <billziss@navimatics.com>
Date: Wed, 20 Mar 2019 13:08:20 -0700
Subject: [PATCH] sys: ea: return STATUS_INVALID_DEVICE_REQUEST if no
 ExtendedAttributes

---
 src/sys/ea.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/sys/ea.c b/src/sys/ea.c
index 0b5462b4..c0a3cb3a 100644
--- a/src/sys/ea.c
+++ b/src/sys/ea.c
@@ -343,12 +343,17 @@ static NTSTATUS FspFsvolQueryEa(
 {
     PAGED_CODE();
 
+    FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
+
+    /* do we support Ea? */
+    if (!FsvolDeviceExtension->VolumeParams.ExtendedAttributes)
+        return STATUS_INVALID_DEVICE_REQUEST;
+
     /* is this a valid FileObject? */
     if (!FspFileNodeIsValid(IrpSp->FileObject->FsContext))
         return STATUS_INVALID_DEVICE_REQUEST;
 
     NTSTATUS Result;
-    FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
     PFILE_OBJECT FileObject = IrpSp->FileObject;
     FSP_FILE_NODE *FileNode = FileObject->FsContext;
     FSP_FILE_DESC *FileDesc = FileObject->FsContext2;
@@ -504,6 +509,12 @@ static NTSTATUS FspFsvolSetEa(
 {
     PAGED_CODE();
 
+    FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
+
+    /* do we support Ea? */
+    if (!FsvolDeviceExtension->VolumeParams.ExtendedAttributes)
+        return STATUS_INVALID_DEVICE_REQUEST;
+
     /* is this a valid FileObject? */
     if (!FspFileNodeIsValid(IrpSp->FileObject->FsContext))
         return STATUS_INVALID_DEVICE_REQUEST;