[pschweitzer] 73836: [FASTFAT] Avoid uninit variable usage. CID 1401257, 1401259

Author: pschweitzer
Date: Sun Feb 19 11:22:21 2017
New Revision: 73836

URL: http://svn.reactos.org/svn/reactos?rev=73836&view=rev
Log:
[FASTFAT]
Avoid uninit variable usage.

CID 1401257, 1401259

Modified:
    trunk/reactos/drivers/filesystems/fastfat/rw.c

Modified: trunk/reactos/drivers/filesystems/fastfat/rw.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfat...
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat/rw.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat/rw.c	[iso-8859-1] Sun Feb 19 11:22:21 2017
@@ -555,6 +555,10 @@

ASSERT(IrpContext->DeviceObject);

+    PagingIo = BooleanFlagOn(IrpContext->Irp->Flags, IRP_PAGING_IO);
+    CanWait = BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT);
+    NoCache = BooleanFlagOn(IrpContext->Irp->Flags, IRP_NOCACHE);
+
     // This request is not allowed on the main device object
     if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
     {
@@ -567,6 +571,8 @@
     ASSERT(IrpContext->FileObject);
     Fcb = IrpContext->FileObject->FsContext;
     ASSERT(Fcb);
+
+    IsVolume = BooleanFlagOn(Fcb->Flags, FCB_IS_VOLUME);

if (BooleanFlagOn(Fcb->Flags, FCB_IS_PAGE_FILE))
     {
@@ -584,10 +590,6 @@
     ByteOffset = IrpContext->Stack->Parameters.Read.ByteOffset;
     Length = IrpContext->Stack->Parameters.Read.Length;
     BytesPerSector = IrpContext->DeviceExt->FatInfo.BytesPerSector;
-    PagingIo = BooleanFlagOn(IrpContext->Irp->Flags, IRP_PAGING_IO);
-    CanWait = BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT);
-    IsVolume = BooleanFlagOn(Fcb->Flags, FCB_IS_VOLUME);
-    NoCache = BooleanFlagOn(IrpContext->Irp->Flags, IRP_NOCACHE);

/* fail if file is a directory and no paged read */
     if (vfatFCBIsDirectory(Fcb) && !PagingIo)
@@ -779,6 +781,10 @@

ASSERT(IrpContext->DeviceObject);

+    PagingIo = BooleanFlagOn(IrpContext->Irp->Flags, IRP_PAGING_IO);
+    CanWait = BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT);
+    NoCache = BooleanFlagOn(IrpContext->Irp->Flags, IRP_NOCACHE);
+
     // This request is not allowed on the main device object
     if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
     {
@@ -791,6 +797,9 @@
     ASSERT(IrpContext->FileObject);
     Fcb = IrpContext->FileObject->FsContext;
     ASSERT(Fcb);
+
+    IsVolume = BooleanFlagOn(Fcb->Flags, FCB_IS_VOLUME);
+    IsFAT = BooleanFlagOn(Fcb->Flags, FCB_IS_FAT);

if (BooleanFlagOn(Fcb->Flags, FCB_IS_PAGE_FILE))
     {
@@ -804,12 +813,6 @@
     }

DPRINT("<%wZ>\n", &Fcb->PathNameU);
-
-    PagingIo = BooleanFlagOn(IrpContext->Irp->Flags, IRP_PAGING_IO);
-    CanWait = BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT);
-    IsVolume = BooleanFlagOn(Fcb->Flags, FCB_IS_VOLUME);
-    IsFAT = BooleanFlagOn(Fcb->Flags, FCB_IS_FAT);
-    NoCache = BooleanFlagOn(IrpContext->Irp->Flags, IRP_NOCACHE);

/* fail if file is a directory and no paged read */
     if (vfatFCBIsDirectory(Fcb) && !PagingIo)