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[NTOS:RAWFS] Delete the previously-created devices in case the IoCreateDevice() calls fail.

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This commit is contained in:
Hermès Bélusca-Maïto
2021-09-24 00:41:32 +02:00
parent 38ce67162f
commit 5ccd45ea58
1 changed files with 18 additions and 4 deletions
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22
ntoskrnl/io/iomgr/rawfs.c
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@@ -1193,8 +1193,10 @@ NTAPI
RawFsDriverEntry(IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath)
{
UNICODE_STRING DeviceName;
NTSTATUS Status;
UNICODE_STRING DeviceName;
UNREFERENCED_PARAMETER(RegistryPath);
/* Create the raw disk device */
RtlInitUnicodeString(&DeviceName, L"\\Device\\RawDisk");
@@ -1205,7 +1207,10 @@ RawFsDriverEntry(IN PDRIVER_OBJECT DriverObject,
0,
FALSE,
&RawDiskDeviceObject);
if (!NT_SUCCESS(Status)) return Status;
if (!NT_SUCCESS(Status))
{
return Status;
}
/* Create the raw CDROM device */
RtlInitUnicodeString(&DeviceName, L"\\Device\\RawCdRom");
@@ -1216,7 +1221,11 @@ RawFsDriverEntry(IN PDRIVER_OBJECT DriverObject,
0,
FALSE,
&RawCdromDeviceObject);
if (!NT_SUCCESS(Status)) return Status;
if (!NT_SUCCESS(Status))
{
IoDeleteDevice(RawDiskDeviceObject);
return Status;
}
/* Create the raw tape device */
RtlInitUnicodeString(&DeviceName, L"\\Device\\RawTape");
@@ -1227,7 +1236,12 @@ RawFsDriverEntry(IN PDRIVER_OBJECT DriverObject,
0,
FALSE,
&RawTapeDeviceObject);
if (!NT_SUCCESS(Status)) return Status;
if (!NT_SUCCESS(Status))
{
IoDeleteDevice(RawDiskDeviceObject);
IoDeleteDevice(RawCdromDeviceObject);
return Status;
}
/* Set Direct I/O for all devices */
RawDiskDeviceObject->Flags |= DO_DIRECT_IO;