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- Fixed the length calculation of some unicode strings.

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svn path=/trunk/; revision=6417
This commit is contained in:
Hartmut Birr 2003-10-23 19:16:33 +00:00
parent 9bb05f0dc5
commit 360e3be08a
1 changed files with 14 additions and 11 deletions
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25
reactos/ntoskrnl/io/driver.c
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@ -1,4 +1,4 @@
/* $Id: driver.c,v 1.27 2003/10/16 17:59:48 navaraf Exp $
/* $Id: driver.c,v 1.28 2003/10/23 19:16:33 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -149,6 +149,7 @@ IopCreateGroupListEntry(PWSTR ValueName,
if (!RtlCreateUnicodeString(&Group->GroupName,
(PWSTR)ValueData))
{
ExFreePool(Group);
return(STATUS_INSUFFICIENT_RESOURCES);
}
@ -730,10 +731,10 @@ IopGetDriverNameFromServiceKey(
{
ServiceName++;
}
ImagePath->Length = sizeof(UNICODE_NULL) +
((33 + wcslen(ServiceName)) * sizeof(WCHAR));
ImagePath->Buffer = ExAllocatePool(NonPagedPool, ImagePath->Length);
ImagePath->Length = (33 + wcslen(ServiceName)) * sizeof(WCHAR);
ImagePath->MaximumLength = ImagePath->Length + sizeof(UNICODE_NULL);
ImagePath->Buffer = ExAllocatePool(NonPagedPool, ImagePath->MaximumLength);
if (ImagePath->Buffer == NULL)
{
return STATUS_UNSUCCESSFUL;
@ -744,9 +745,9 @@ IopGetDriverNameFromServiceKey(
} else
if (RegistryImagePath.Buffer[0] != L'\\')
{
ImagePath->Length = sizeof(UNICODE_NULL) +
((12 + wcslen(RegistryImagePath.Buffer)) * sizeof(WCHAR));
ImagePath->Buffer = ExAllocatePool(NonPagedPool, ImagePath->Length);
ImagePath->Length = (12 + wcslen(RegistryImagePath.Buffer)) * sizeof(WCHAR);
ImagePath->MaximumLength = ImagePath->Length + sizeof(UNICODE_NULL);
ImagePath->Buffer = ExAllocatePool(NonPagedPool, ImagePath->MaximumLength);
if (ImagePath->Buffer == NULL)
{
RtlFreeUnicodeString(&RegistryImagePath);
@ -758,6 +759,7 @@ IopGetDriverNameFromServiceKey(
} else
{
ImagePath->Length = RegistryImagePath.Length;
ImagePath->MaximumLength = RegistryImagePath.MaximumLength;
ImagePath->Buffer = RegistryImagePath.Buffer;
}
@ -918,11 +920,12 @@ IopUnloadDriver(PUNICODE_STRING DriverServiceName, BOOLEAN UnloadPnpDrivers)
/*
* Construct the driver object name
*/
ObjectName.Length = wcslen(Start) + 8;
ObjectName.Buffer = ExAllocatePool(NonPagedPool,
ObjectName.Length * sizeof(WCHAR));
ObjectName.Length = (wcslen(Start) + 8) * sizeof(WCHAR);
ObjectName.MaximumLength = ObjectName.Length + sizeof(WCHAR);
ObjectName.Buffer = ExAllocatePool(NonPagedPool, ObjectName.MaximumLength);
wcscpy(ObjectName.Buffer, L"\\Driver\\");
memcpy(ObjectName.Buffer + 8, Start, (ObjectName.Length - 8) * sizeof(WCHAR));
ObjectName.Buffer[ObjectName.Length/sizeof(WCHAR)] = 0;
/*
* Find the driver object