Author: tkreuzer
Date: Mon Oct 3 22:59:33 2011
New Revision: 53982
URL: http://svn.reactos.org/svn/reactos?rev=53982&view=rev
Log:
[FREELDR]
Fix a bug, when the memory for a file cluster chain record was freed from the heap although it was still in use. Instead free the buffer when the file is closed.
Modified:
trunk/reactos/boot/freeldr/freeldr/fs/fat.c
Modified: trunk/reactos/boot/freeldr/freeldr/fs/fat.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/fs/fa…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/fs/fat.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/fs/fat.c [iso-8859-1] Mon Oct 3 22:59:33 2011
@@ -804,8 +804,9 @@
return ENOTDIR;
}
DirectoryStartCluster = FatFileInfo.FileFatChain[0];
- }
- MmHeapFree(FatFileInfo.FileFatChain);
+ MmHeapFree(FatFileInfo.FileFatChain);
+ FatFileInfo.FileFatChain = NULL;
+ }
}
memcpy(FatFileInfoPointer, &FatFileInfo, sizeof(FAT_FILE_INFO));
@@ -1332,6 +1333,7 @@
{
PFAT_FILE_INFO FileHandle = FsGetDeviceSpecific(FileId);
+ if (FileHandle->FileFatChain) MmHeapFree(FileHandle->FileFatChain);
MmHeapFree(FileHandle);
return ESUCCESS;