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Fixed bug in IO manager that caused crash when trying to open a file on a non existant device

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Fixed memory leaks in object manager

svn path=/trunk/; revision=964
This commit is contained in:
Phillip Susi 2000-01-25 06:31:25 +00:00
parent 3a18299c0f
commit 52404fd1c8
2 changed files with 10 additions and 2 deletions
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6
reactos/ntoskrnl/io/create.c
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@ -67,7 +67,11 @@ NTSTATUS IopCreateFile(PVOID ObjectBody,
DPRINT("DeviceObject was NULL\n");
return(STATUS_SUCCESS);
}
if( BODY_TO_HEADER( Parent )->ObjectType != IoDeviceType )
{
DPRINT( "Parent is not a device type\n" );
return STATUS_UNSUCCESSFUL;
}
Status = ObReferenceObjectByPointer(DeviceObject,
STANDARD_RIGHTS_REQUIRED,
IoDeviceType,

6
reactos/ntoskrnl/ob/object.c
View file

@ -176,7 +176,10 @@ PVOID ObCreateObject(PHANDLE Handle,
ObjectAttributes);
if (!NT_SUCCESS(Status))
{
return(NULL);
ObDereferenceObject( Parent );
RtlFreeUnicodeString( &Header->Name );
ExFreePool( Header );
return(NULL);
}
}
return(HEADER_TO_BODY(Header));
@ -260,6 +263,7 @@ NTSTATUS ObPerformRetentionChecks(POBJECT_HEADER Header)
if (Header->Name.Buffer != NULL)
{
ObRemoveEntry(Header);
RtlFreeUnicodeString( &Header->Name );
}
DPRINT("ObPerformRetentionChecks() = Freeing object\n");
ExFreePool(Header);