[reactos] 14/72: [NTFS] Fix broken check for free disk space in NtfsAllocateClusters().

[Trevor Thompson]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=de5cff4b3753f1e3db6059...

commit de5cff4b3753f1e3db60595b0b757638a904d7c2
Author: Trevor Thompson [e-mail]
AuthorDate: Fri Jul 8 12:05:19 2016 +0000

[NTFS]
    Fix broken check for free disk space in NtfsAllocateClusters().

svn path=/branches/GSoC_2016/NTFS/; revision=71858
---
 drivers/filesystems/ntfs/volinfo.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/filesystems/ntfs/volinfo.c b/drivers/filesystems/ntfs/volinfo.c
index 68a1050620..d1505a5fb2 100644
--- a/drivers/filesystems/ntfs/volinfo.c
+++ b/drivers/filesystems/ntfs/volinfo.c
@@ -162,8 +162,14 @@ NtfsAllocateClusters(PDEVICE_EXTENSION DeviceExt,
     RtlInitializeBitMap(&Bitmap, (PULONG)BitmapData, DeviceExt->NtfsInfo.ClusterCount);
     FreeClusters = RtlNumberOfClearBits(&Bitmap);

-    if( FreeClusters < DesiredClusters )
-        Status = STATUS_DISK_FULL;
+    if (FreeClusters < DesiredClusters)
+    {
+        ReleaseAttributeContext(DataContext);
+
+        ExFreePoolWithTag(BitmapData, TAG_NTFS);
+        ExFreePoolWithTag(BitmapRecord, TAG_NTFS);
+        return STATUS_DISK_FULL;
+    }

// TODO: Observe MFT reservation zone