From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 19 Aug 2018 07:55:03 +0000 (+0200)
Subject: [FASTFAT] Magic values--
X-Git-Tag: 0.4.11-dev~86
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=4fe7aafe106c2f711058ec15857f05e925fd662f

[FASTFAT] Magic values--
---

diff --git a/drivers/filesystems/fastfat/dirwr.c b/drivers/filesystems/fastfat/dirwr.c
index b4a2a94b599..ba791fbc607 100644
--- a/drivers/filesystems/fastfat/dirwr.c
+++ b/drivers/filesystems/fastfat/dirwr.c
@@ -806,9 +806,11 @@ FATAddEntry(
         {
             RtlZeroMemory(pFatEntry, DeviceExt->FatInfo.BytesPerCluster);
             /* create '.' and '..' */
-            RtlCopyMemory(&pFatEntry[0].Attrib, &DirContext.DirEntry.Fat.Attrib, sizeof(FAT_DIR_ENTRY) - 11);
+            RtlCopyMemory(&pFatEntry[0].Attrib, &DirContext.DirEntry.Fat.Attrib,
+                          sizeof(FAT_DIR_ENTRY) - FIELD_OFFSET(FAT_DIR_ENTRY, Attrib));
             RtlCopyMemory(pFatEntry[0].ShortName, ".          ", 11);
-            RtlCopyMemory(&pFatEntry[1].Attrib, &DirContext.DirEntry.Fat.Attrib, sizeof(FAT_DIR_ENTRY) - 11);
+            RtlCopyMemory(&pFatEntry[1].Attrib, &DirContext.DirEntry.Fat.Attrib,
+                          sizeof(FAT_DIR_ENTRY) - FIELD_OFFSET(FAT_DIR_ENTRY, Attrib));
             RtlCopyMemory(pFatEntry[1].ShortName, "..         ", 11);
         }