lywsvip/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2026-06-06 13:47:40 +08:00
Code Issues Packages Projects Releases Wiki Activity

[FASTFAT]

Browse Source 
Irp->UserBuffer being NULL doesn't indicate any error. It could be that the
caller really wants the result stored at address NULL (which can be valid,
and is valid by default for programs like NTVDM).


svn path=/trunk/; revision=68607
This commit is contained in:
Aleksandar Andrejevic
2015-08-07 03:30:05 +00:00
parent ab22534129
commit 08d0aae07e
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
reactos/drivers/filesystems/fastfat/rw.c
View File

@@ -656,7 +656,7 @@ VfatRead(
}
Buffer = VfatGetUserBuffer(IrpContext->Irp, BooleanFlagOn(IrpContext->Irp->Flags, IRP_PAGING_IO));
if (!Buffer)
if (!Buffer && IrpContext->Irp->MdlAddress)
{
Status = STATUS_INVALID_USER_BUFFER;
goto ByeBye;
@@ -927,7 +927,7 @@ VfatWrite(
OldFileSize = Fcb->RFCB.FileSize;
Buffer = VfatGetUserBuffer(IrpContext->Irp, BooleanFlagOn(IrpContext->Irp->Flags, IRP_PAGING_IO));
if (!Buffer)
if (!Buffer && IrpContext->Irp->MdlAddress)
{
Status = STATUS_INVALID_USER_BUFFER;
goto ByeBye;