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- Remove LIST_FOR_EACH and LIST_FOR_EACH_SAFE from the kernel
- Fix a bug in KeStartProfile (a missing negation) which caused us to either free buffer when we shouldn't, or leak it svn path=/trunk/; revision=35633
This commit is contained in:
Stefan Ginsberg
parent
016e911156
commit
f3b92fa090
@ -350,14 +350,22 @@ IoCreateDriverList(VOID)
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NTSTATUS INIT_FUNCTION
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IoDestroyDriverList(VOID)
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{
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PSERVICE_GROUP CurrentGroup, tmp1;
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PSERVICE CurrentService, tmp2;
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PSERVICE_GROUP CurrentGroup;
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PSERVICE CurrentService;
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PLIST_ENTRY NextEntry, TempEntry;
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DPRINT("IoDestroyDriverList() called\n");
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/* Destroy the Group List */
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LIST_FOR_EACH_SAFE(CurrentGroup, tmp1, &GroupListHead, SERVICE_GROUP, GroupListEntry)
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for (NextEntry = GroupListHead.Flink, TempEntry = NextEntry->Flink;
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NextEntry != &GroupListHead;
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NextEntry = TempEntry, TempEntry = NextEntry->Flink)
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{
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/* Get the entry */
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CurrentGroup = CONTAINING_RECORD(NextEntry,
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SERVICE_GROUP,
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GroupListEntry);
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/* Remove it from the list */
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RemoveEntryList(&CurrentGroup->GroupListEntry);
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@ -369,8 +377,15 @@ IoDestroyDriverList(VOID)
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}
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/* Destroy the Service List */
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LIST_FOR_EACH_SAFE(CurrentService, tmp2, &ServiceListHead, SERVICE, ServiceListEntry)
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for (NextEntry = ServiceListHead.Flink, TempEntry = NextEntry->Flink;
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NextEntry != &ServiceListHead;
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NextEntry = TempEntry, TempEntry = NextEntry->Flink)
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{
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/* Get the entry */
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CurrentService = CONTAINING_RECORD(NextEntry,
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SERVICE,
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ServiceListEntry);
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/* Remove it from the list */
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RemoveEntryList(&CurrentService->ServiceListEntry);
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@ -448,21 +463,35 @@ IopInitializeSystemDrivers(VOID)
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PSERVICE CurrentService;
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NTSTATUS Status;
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ULONG i;
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PLIST_ENTRY NextGroupEntry, NextServiceEntry;
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DPRINT("IopInitializeSystemDrivers()\n");
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/* Loop the list */
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LIST_FOR_EACH(CurrentGroup, &GroupListHead, SERVICE_GROUP, GroupListEntry)
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/* Start looping */
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for (NextGroupEntry = GroupListHead.Flink;
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NextGroupEntry != &GroupListHead;
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NextGroupEntry = NextGroupEntry->Flink)
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{
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/* Get the entry */
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CurrentGroup = CONTAINING_RECORD(NextGroupEntry,
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SERVICE_GROUP,
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GroupListEntry);
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DPRINT("Group: %wZ\n", &CurrentGroup->GroupName);
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/* Load all drivers with a valid tag */
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for (i = 0; i < CurrentGroup->TagCount; i++)
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{
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/* Loop the list */
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LIST_FOR_EACH(CurrentService, &ServiceListHead, SERVICE, ServiceListEntry)
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/* Start looping */
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for (NextServiceEntry = ServiceListHead.Flink;
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NextServiceEntry != &ServiceListHead;
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NextServiceEntry = NextServiceEntry->Flink)
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{
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/* Get the entry */
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CurrentService = CONTAINING_RECORD(NextServiceEntry,
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SERVICE,
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ServiceListEntry);
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if ((!RtlCompareUnicodeString(&CurrentGroup->GroupName,
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&CurrentService->ServiceGroup,
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TRUE)) &&
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@ -477,8 +506,15 @@ IopInitializeSystemDrivers(VOID)
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}
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/* Load all drivers without a tag or with an invalid tag */
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LIST_FOR_EACH(CurrentService, &ServiceListHead, SERVICE, ServiceListEntry)
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for (NextServiceEntry = ServiceListHead.Flink;
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NextServiceEntry != &ServiceListHead;
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NextServiceEntry = NextServiceEntry->Flink)
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{
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/* Get the entry */
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CurrentService = CONTAINING_RECORD(NextServiceEntry,
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SERVICE,
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ServiceListEntry);
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if ((!RtlCompareUnicodeString(&CurrentGroup->GroupName,
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&CurrentService->ServiceGroup,
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TRUE)) &&
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@ -99,14 +99,20 @@ LocateChildDevice(
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{
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PPNPROOT_DEVICE Device;
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UNICODE_STRING DeviceIdU, InstanceIdU;
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PLIST_ENTRY NextEntry;
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/* Initialize the strings to compare */
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RtlInitUnicodeString(&DeviceIdU, DeviceId);
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RtlInitUnicodeString(&InstanceIdU, InstanceId);
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/* Start looping */
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LIST_FOR_EACH(Device, &DeviceExtension->DeviceListHead, PNPROOT_DEVICE, ListEntry)
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for (NextEntry = DeviceExtension->DeviceListHead.Flink;
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NextEntry != &DeviceExtension->DeviceListHead;
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NextEntry = NextEntry->Flink)
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{
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/* Get the entry */
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Device = CONTAINING_RECORD(NextEntry, PNPROOT_DEVICE, ListEntry);
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/* See if the strings match */
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if (RtlEqualUnicodeString(&DeviceIdU, &Device->DeviceID, TRUE) &&
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RtlEqualUnicodeString(&InstanceIdU, &Device->InstanceID, TRUE))
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@ -521,6 +527,7 @@ PnpRootQueryDeviceRelations(
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PPNPROOT_DEVICE Device = NULL;
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ULONG Size;
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NTSTATUS Status;
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PLIST_ENTRY NextEntry;
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DPRINT("PnpRootQueryDeviceRelations(FDO %p, Irp %p)\n", DeviceObject, Irp);
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@ -556,8 +563,15 @@ PnpRootQueryDeviceRelations(
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}
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KeAcquireGuardedMutex(&DeviceExtension->DeviceListLock);
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LIST_FOR_EACH(Device, &DeviceExtension->DeviceListHead, PNPROOT_DEVICE, ListEntry)
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/* Start looping */
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for (NextEntry = DeviceExtension->DeviceListHead.Flink;
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NextEntry != &DeviceExtension->DeviceListHead;
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NextEntry = NextEntry->Flink)
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{
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/* Get the entry */
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Device = CONTAINING_RECORD(NextEntry, PNPROOT_DEVICE, ListEntry);
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if (!Device->Pdo)
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{
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/* Create a physical device object for the
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@ -54,8 +54,9 @@ KeStartProfile(PKPROFILE Profile,
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KIRQL OldIrql;
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PKPROFILE_SOURCE_OBJECT SourceBuffer;
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PKPROFILE_SOURCE_OBJECT CurrentSource;
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BOOLEAN FreeBuffer = TRUE;
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BOOLEAN FreeBuffer = TRUE, SourceFound = FALSE;;
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PKPROCESS ProfileProcess;
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PLIST_ENTRY NextEntry;
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/* Allocate a buffer first, before we raise IRQL */
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SourceBuffer = ExAllocatePoolWithTag(NonPagedPool,
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@ -89,18 +90,27 @@ KeStartProfile(PKPROFILE Profile,
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InsertTailList(&KiProfileListHead, &Profile->ProfileListEntry);
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}
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/* Check if this type of profile (source) is already running */
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LIST_FOR_EACH(CurrentSource, &KiProfileSourceListHead, KPROFILE_SOURCE_OBJECT, ListEntry)
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/* Start looping */
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for (NextEntry = KiProfileSourceListHead.Flink;
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NextEntry != &KiProfileSourceListHead;
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NextEntry = NextEntry->Flink)
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{
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/* Get the entry */
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CurrentSource = CONTAINING_RECORD(NextEntry,
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KPROFILE_SOURCE_OBJECT,
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ListEntry);
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/* Check if it's the same as the one being requested now */
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if (CurrentSource->Source == Profile->Source)
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{
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/* It is, break out */
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SourceFound = TRUE;
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break;
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}
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}
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/* See if the loop found something */
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if (!CurrentSource)
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if (!SourceFound)
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{
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/* Nothing found, use our allocated buffer */
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CurrentSource = SourceBuffer;
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@ -122,7 +132,7 @@ KeStartProfile(PKPROFILE Profile,
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//HalStartProfileInterrupt(Profile->Source);
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/* Free the pool */
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if (!FreeBuffer) ExFreePool(SourceBuffer);
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if (FreeBuffer) ExFreePool(SourceBuffer);
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}
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BOOLEAN
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@ -131,6 +141,8 @@ KeStopProfile(PKPROFILE Profile)
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{
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KIRQL OldIrql;
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PKPROFILE_SOURCE_OBJECT CurrentSource = NULL;
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PLIST_ENTRY NextEntry;
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BOOLEAN SourceFound = FALSE;
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/* Raise to PROFILE_LEVEL and acquire spinlock */
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KeRaiseIrql(PROFILE_LEVEL, &OldIrql);
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@ -143,12 +155,23 @@ KeStopProfile(PKPROFILE Profile)
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RemoveEntryList(&Profile->ProfileListEntry);
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Profile->Started = FALSE;
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/* Find the Source Object */
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LIST_FOR_EACH(CurrentSource, &KiProfileSourceListHead, KPROFILE_SOURCE_OBJECT, ListEntry)
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/* Start looping */
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for (NextEntry = KiProfileSourceListHead.Flink;
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NextEntry != &KiProfileSourceListHead;
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NextEntry = NextEntry->Flink)
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{
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/* Get the entry */
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CurrentSource = CONTAINING_RECORD(NextEntry,
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KPROFILE_SOURCE_OBJECT,
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ListEntry);
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/* Check if this is the Source Object */
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if (CurrentSource->Source == Profile->Source)
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{
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/* Remove it */
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/* Remember we found one */
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SourceFound = TRUE;
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/* Remove it and break out */
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RemoveEntryList(&CurrentSource->ListEntry);
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break;
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}
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@ -164,7 +187,7 @@ KeStopProfile(PKPROFILE Profile)
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//HalStopProfileInterrupt(Profile->Source);
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/* Free the Source Object */
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if (CurrentSource) ExFreePool(CurrentSource);
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if (SourceFound) ExFreePool(CurrentSource);
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/* FIXME */
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return FALSE;
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@ -231,10 +254,16 @@ KiParseProfileList(IN PKTRAP_FRAME TrapFrame,
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{
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PULONG BucketValue;
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PKPROFILE Profile;
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PLIST_ENTRY NextEntry;
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/* Loop the List */
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LIST_FOR_EACH(Profile, ListHead, KPROFILE, ProfileListEntry)
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for (NextEntry = ListHead->Flink;
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NextEntry != ListHead;
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NextEntry = NextEntry->Flink)
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{
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/* Get the entry */
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Profile = CONTAINING_RECORD(NextEntry, KPROFILE, ProfileListEntry);
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/* Check if the source is good, and if it's within the range */
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#ifdef _M_IX86
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if ((Profile->Source != Source) ||
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