[tkreuzer] 55651: {MOUNTMGR] - Use portable KeXxxSpinLock, instead of fastcall variants - Fix usage of uninitialized variable - Fix typos in assignments - Fix several integer size bugs - Fix uninit...
16 Feb
2012
16 Feb
'12
10:03 p.m.
Author: tkreuzer
Date: Thu Feb 16 22:03:33 2012
New Revision: 55651
URL: http://svn.reactos.org/svn/reactos?rev=55651&view=rev
Log:
{MOUNTMGR]
- Use portable KeXxxSpinLock, instead of fastcall variants
- Fix usage of uninitialized variable
- Fix typos in assignments
- Fix several integer size bugs
- Fix uninitialied variables (and those gcc couldn't identify as initialized)
- Fix MSVC warnings
Modified:
trunk/reactos/drivers/filters/mountmgr/database.c
trunk/reactos/drivers/filters/mountmgr/device.c
trunk/reactos/drivers/filters/mountmgr/mountmgr.c
trunk/reactos/drivers/filters/mountmgr/notify.c
trunk/reactos/drivers/filters/mountmgr/symlink.c
Modified: trunk/reactos/drivers/filters/mountmgr/database.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filters/mountmgr/d…
==============================================================================
--- trunk/reactos/drivers/filters/mountmgr/database.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filters/mountmgr/database.c [iso-8859-1] Thu Feb 16 22:03:33
2012
@@ -175,7 +175,9 @@
&ByteOffset,
NULL);
/* If it fails or returns inconsistent data, drop it (= truncate) */
- if (!NT_SUCCESS(Status) || IoStatusBlock.Information != EntrySize || EntrySize <
sizeof(DATABASE_ENTRY))
+ if (!NT_SUCCESS(Status) ||
+ (IoStatusBlock.Information != EntrySize) ||
+ (EntrySize < sizeof(DATABASE_ENTRY)) )
{
TruncateRemoteDatabase(Database, StartingOffset);
FreePool(Entry);
@@ -184,7 +186,7 @@
/* Validate entry */
if (MAX(Entry->SymbolicNameOffset + Entry->SymbolicNameLength,
- Entry->UniqueIdOffset + Entry->UniqueIdLength) > EntrySize)
+ Entry->UniqueIdOffset + Entry->UniqueIdLength) > (LONG)EntrySize)
{
TruncateRemoteDatabase(Database, StartingOffset);
FreePool(Entry);
@@ -201,10 +203,10 @@
DeleteRemoteDatabaseEntry(IN HANDLE Database,
IN LONG StartingOffset)
{
- LONG EndSize;
+ ULONG EndSize;
PVOID TmpBuffer;
NTSTATUS Status;
- LONG DatabaseSize;
+ ULONG DatabaseSize;
PDATABASE_ENTRY Entry;
IO_STATUS_BLOCK IoStatusBlock;
LARGE_INTEGER EndEntriesOffset;
@@ -423,7 +425,8 @@
/* Acquire workers lock */
KeWaitForSingleObject(&(DeviceExtension->WorkerSemaphore), Executive,
KernelMode, FALSE, NULL);
- OldIrql = KfAcquireSpinLock(&(DeviceExtension->WorkerLock));
+ KeAcquireSpinLock(&(DeviceExtension->WorkerLock), &OldIrql);
+
/* Ensure there are workers */
while (!IsListEmpty(&(DeviceExtension->WorkerQueueListHead)))
{
@@ -433,7 +436,7 @@
RECONCILE_WORK_ITEM,
WorkerQueueListEntry);
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
/* Call it */
WorkItem->WorkerRoutine(WorkItem->Context);
@@ -447,9 +450,9 @@
}
KeWaitForSingleObject(&(DeviceExtension->WorkerSemaphore), Executive,
KernelMode, FALSE, NULL);
- OldIrql = KfAcquireSpinLock(&(DeviceExtension->WorkerLock));
- }
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeAcquireSpinLock(&(DeviceExtension->WorkerLock), &OldIrql);
+ }
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
InterlockedDecrement(&(DeviceExtension->WorkerReferences));
@@ -478,10 +481,10 @@
}
/* Otherwise queue worker for delayed execution */
- OldIrql = KfAcquireSpinLock(&(DeviceExtension->WorkerLock));
+ KeAcquireSpinLock(&(DeviceExtension->WorkerLock), &OldIrql);
InsertTailList(&(DeviceExtension->WorkerQueueListHead),
&(WorkItem->WorkerQueueListEntry));
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
KeReleaseSemaphore(&(DeviceExtension->WorkerSemaphore), IO_NO_INCREMENT, 1,
FALSE);
@@ -638,8 +641,8 @@
}
/* Return the volume name */
- VolumeName->Length = FileNameInfo->FileNameLength;
- VolumeName->MaximumLength = FileNameInfo->FileNameLength + sizeof(WCHAR);
+ VolumeName->Length = (USHORT)FileNameInfo->FileNameLength;
+ VolumeName->MaximumLength = (USHORT)FileNameInfo->FileNameLength +
sizeof(WCHAR);
VolumeName->Buffer = AllocatePool(VolumeName->MaximumLength);
if (!VolumeName->Buffer)
{
@@ -993,7 +996,7 @@
}
if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
{
- Status == STATUS_SUCCESS;
+ Status = STATUS_SUCCESS;
Complete = TRUE;
}
if (!NT_SUCCESS(Status) || Complete)
@@ -1022,7 +1025,7 @@
}
/* And write them into new database */
- Length = IoStatusBlock.Information;
+ Length = (ULONG)IoStatusBlock.Information;
Status = ZwWriteFile(Database,
NULL,
NULL,
@@ -1228,7 +1231,7 @@
if (IntUniqueId)
{
/* Copy data & return */
- IntUniqueId->UniqueIdLength = ValueLength;
+ IntUniqueId->UniqueIdLength = (USHORT)ValueLength;
RtlCopyMemory(&(IntUniqueId->UniqueId), ValueData, ValueLength);
UniqueId = Context;
Modified: trunk/reactos/drivers/filters/mountmgr/device.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filters/mountmgr/d…
==============================================================================
--- trunk/reactos/drivers/filters/mountmgr/device.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filters/mountmgr/device.c [iso-8859-1] Thu Feb 16 22:03:33 2012
@@ -94,7 +94,7 @@
REG_DWORD,
&Value,
sizeof(Value));
-
+
}
/*
@@ -221,10 +221,10 @@
MountMgrScrubRegistry(IN PDEVICE_EXTENSION DeviceExtension)
{
NTSTATUS Status;
- BOOLEAN Continue = TRUE;
+ BOOLEAN Continue;
RTL_QUERY_REGISTRY_TABLE QueryTable[2];
- while (Continue)
+ do
{
RtlZeroMemory(QueryTable, sizeof(QueryTable));
QueryTable[0].QueryRoutine = ScrubRegistryRoutine;
@@ -237,6 +237,7 @@
DeviceExtension,
NULL);
}
+ while (Continue);
return Status;
}
@@ -513,7 +514,7 @@
if (IsDriveLetter(&(SymlinkInformation->Name)) &&
SymlinkInformation->Online)
{
DriveLetterInfo->DriveLetterWasAssigned = FALSE;
- DriveLetterInfo->CurrentDriveLetter =
SymlinkInformation->Name.Buffer[LETTER_POSITION];
+ DriveLetterInfo->CurrentDriveLetter =
(CHAR)SymlinkInformation->Name.Buffer[LETTER_POSITION];
break;
}
@@ -972,8 +973,8 @@
}
/* We can't go beyond */
- if (MountPoint->SymbolicLinkNameLength + MountPoint->UniqueIdLength +
- MountPoint->DeviceNameLength <
Stack->Parameters.DeviceIoControl.InputBufferLength)
+ if (((ULONG)MountPoint->SymbolicLinkNameLength + MountPoint->UniqueIdLength +
+ MountPoint->DeviceNameLength) <
Stack->Parameters.DeviceIoControl.InputBufferLength)
{
return STATUS_INVALID_PARAMETER;
}
@@ -1234,7 +1235,7 @@
NTSTATUS
MountMgrVolumeMountPointChanged(IN PDEVICE_EXTENSION DeviceExtension,
IN PIRP Irp,
- IN NTSTATUS LockStatus,
+ IN NTSTATUS LockStatus,
OUT PUNICODE_STRING SourceDeviceName,
OUT PUNICODE_STRING SourceSymbolicName,
OUT PUNICODE_STRING TargetVolumeName)
@@ -1265,7 +1266,7 @@
VolumeMountPoint = (PMOUNTMGR_VOLUME_MOUNT_POINT)Irp->AssociatedIrp.SystemBuffer;
- if (VolumeMountPoint->SourceVolumeNameLength +
VolumeMountPoint->TargetVolumeNameLength <
+ if (((ULONG)VolumeMountPoint->SourceVolumeNameLength +
VolumeMountPoint->TargetVolumeNameLength) <
Stack->Parameters.DeviceIoControl.InputBufferLength)
{
return STATUS_INVALID_PARAMETER;
@@ -1406,7 +1407,7 @@
/* Return symbolic name */
SourceSymbolicName->Length =
- SourceSymbolicName->MaximumLength = FileNameInfo->FileNameLength;
+ SourceSymbolicName->MaximumLength = (USHORT)FileNameInfo->FileNameLength;
SourceSymbolicName->Buffer = (PWSTR)FileNameInfo;
/* memmove allows memory overlap */
RtlMoveMemory(SourceSymbolicName->Buffer, FileNameInfo->FileName,
SourceSymbolicName->Length);
Modified: trunk/reactos/drivers/filters/mountmgr/mountmgr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filters/mountmgr/m…
==============================================================================
--- trunk/reactos/drivers/filters/mountmgr/mountmgr.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filters/mountmgr/mountmgr.c [iso-8859-1] Thu Feb 16 22:03:33
2012
@@ -131,7 +131,7 @@
IN UCHAR Letter,
IN PMOUNTDEV_UNIQUE_ID UniqueId OPTIONAL)
{
- NTSTATUS Status;
+ NTSTATUS Status = STATUS_UNSUCCESSFUL;
/* Allocate a big enough buffer to contain the symbolic link */
DriveLetter->MaximumLength = sizeof(DosDevices.Buffer) + 3 * sizeof(WCHAR);
@@ -907,7 +907,7 @@
/*
* @implemented
*/
-ULONG
+BOOLEAN
MountmgrReadNoAutoMount(IN PUNICODE_STRING RegistryPath)
{
NTSTATUS Status;
@@ -931,10 +931,10 @@
NULL);
if (!NT_SUCCESS(Status))
{
- return Default;
- }
-
- return Result;
+ return (Default != 0);
+ }
+
+ return (Result != 0);
}
/*
@@ -1009,7 +1009,7 @@
if (RtlEqualUnicodeString(&(DeviceInformation->SymbolicName),
&(CurrentDevice->SymbolicName), TRUE))
{
- break;
+ break;
}
}
@@ -1054,7 +1054,7 @@
/* If it's OK, set it and save its letter (if any) */
if (SuggestedLinkName.Buffer && IsDriveLetter(&SuggestedLinkName))
{
- DeviceInformation->SuggestedDriveLetter =
SuggestedLinkName.Buffer[LETTER_POSITION];
+ DeviceInformation->SuggestedDriveLetter =
(UCHAR)SuggestedLinkName.Buffer[LETTER_POSITION];
}
/* Acquire driver exclusively */
@@ -1069,7 +1069,7 @@
if (RtlEqualUnicodeString(&(DeviceInformation->DeviceName),
&TargetDeviceName, TRUE))
{
- break;
+ break;
}
}
Modified: trunk/reactos/drivers/filters/mountmgr/notify.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filters/mountmgr/n…
==============================================================================
--- trunk/reactos/drivers/filters/mountmgr/notify.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filters/mountmgr/notify.c [iso-8859-1] Thu Feb 16 22:03:33 2012
@@ -107,7 +107,7 @@
/* First, send the notification */
SendOnlineNotification(&(WorkItem->SymbolicName));
- OldIrql = KfAcquireSpinLock(&(DeviceExtension->WorkerLock));
+ KeAcquireSpinLock(&(DeviceExtension->WorkerLock), &OldIrql);
/* If there are no notifications running any longer, reset event */
if (--DeviceExtension->OnlineNotificationCount == 0)
{
@@ -120,7 +120,7 @@
/* Queue a new one for execution */
Head = RemoveHeadList(&(DeviceExtension->OnlineNotificationListHead));
NewWorkItem = CONTAINING_RECORD(Head, ONLINE_NOTIFICATION_WORK_ITEM, List);
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
NewWorkItem->List.Blink = NULL;
NewWorkItem->List.Flink = NULL;
ExQueueWorkItem((PWORK_QUEUE_ITEM)NewWorkItem, DelayedWorkQueue);
@@ -129,7 +129,7 @@
{
/* Mark it's over */
DeviceExtension->OnlineNotificationWorkerActive = 0;
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
}
FreePool(WorkItem->SymbolicName.Buffer);
@@ -171,14 +171,14 @@
RtlCopyMemory(WorkItem->SymbolicName.Buffer, SymbolicName->Buffer,
SymbolicName->Length);
WorkItem->SymbolicName.Buffer[SymbolicName->Length / sizeof(WCHAR)] =
UNICODE_NULL;
- OldIrql = KfAcquireSpinLock(&(DeviceExtension->WorkerLock));
+ KeAcquireSpinLock(&(DeviceExtension->WorkerLock), &OldIrql);
DeviceExtension->OnlineNotificationCount++;
/* If no worker are active */
if (DeviceExtension->OnlineNotificationWorkerActive == 0)
{
/* Queue that one for execution */
- DeviceExtension->OnlineNotificationWorkerActive == 1;
+ DeviceExtension->OnlineNotificationWorkerActive = 1;
ExQueueWorkItem((PWORK_QUEUE_ITEM)WorkItem, DelayedWorkQueue);
}
else
@@ -187,7 +187,7 @@
InsertTailList(&(DeviceExtension->OnlineNotificationListHead),
&(WorkItem->List));
}
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
return;
}
@@ -202,13 +202,13 @@
KeInitializeEvent(&(DeviceExtension->OnlineNotificationEvent),
NotificationEvent, FALSE);
- OldIrql = KfAcquireSpinLock(&(DeviceExtension->WorkerLock));
+ KeAcquireSpinLock(&(DeviceExtension->WorkerLock), &OldIrql);
/* Just wait all the worker are done */
if (DeviceExtension->OnlineNotificationCount != 1)
{
DeviceExtension->OnlineNotificationCount--;
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
KeWaitForSingleObject(&(DeviceExtension->OnlineNotificationEvent),
Executive,
@@ -216,11 +216,11 @@
FALSE,
NULL);
- OldIrql = KfAcquireSpinLock(&(DeviceExtension->WorkerLock));
+ KeAcquireSpinLock(&(DeviceExtension->WorkerLock), &OldIrql);
DeviceExtension->OnlineNotificationCount++;
}
- KfReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
+ KeReleaseSpinLock(&(DeviceExtension->WorkerLock), OldIrql);
}
/*
@@ -477,7 +477,7 @@
VOID
RemoveWorkItem(IN PUNIQUE_ID_WORK_ITEM WorkItem)
{
- PDEVICE_EXTENSION DeviceExtension;
+ PDEVICE_EXTENSION DeviceExtension = WorkItem->DeviceExtension;
KeWaitForSingleObject(&(DeviceExtension->DeviceLock), Executive, KernelMode,
FALSE, NULL);
@@ -605,7 +605,7 @@
/* Initialize the IRP */
Irp = WorkItem->Irp;
- IoInitializeIrp(Irp, IoSizeOfIrp(WorkItem->StackSize), WorkItem->StackSize);
+ IoInitializeIrp(Irp, IoSizeOfIrp(WorkItem->StackSize),
(CCHAR)WorkItem->StackSize);
if (InterlockedExchange((PLONG)&(WorkItem->Event), 0) != 0)
{
Modified: trunk/reactos/drivers/filters/mountmgr/symlink.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filters/mountmgr/s…
==============================================================================
--- trunk/reactos/drivers/filters/mountmgr/symlink.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/filters/mountmgr/symlink.c [iso-8859-1] Thu Feb 16 22:03:33
2012
@@ -852,7 +852,7 @@
RemoveEntryList(&(SymlinkInformation->SymbolicLinksListEntry));
FreePool(SymlinkInformation->Name.Buffer);
FreePool(SymlinkInformation);
-
+
return TRUE;
}
}
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