[ros-diffs] [janderwald] 42649: [KS] - Check if irp was allocated - Unimplement KsPinGetConnectedPinFileObject

Author: janderwald
Date: Thu Aug 13 11:54:51 2009
New Revision: 42649

URL: http://svn.reactos.org/svn/reactos?rev=42649&view=rev
Log:
[KS]
- Check if irp was allocated
- Unimplement KsPinGetConnectedPinFileObject

Modified:
    trunk/reactos/drivers/ksfilter/ks/api.c
    trunk/reactos/drivers/ksfilter/ks/pin.c

Modified: trunk/reactos/drivers/ksfilter/ks/api.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/api.c?…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/api.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/ksfilter/ks/api.c [iso-8859-1] Thu Aug 13 11:54:51 2009
@@ -1147,6 +1147,13 @@
 
     /* create the irp */
     Irp =  IoBuildDeviceIoControlRequest(IoControl, DeviceObject, InBuffer, InSize,
OutBuffer, OutSize, FALSE, &Event, &IoStatusBlock);
+
+    if (!Irp)
+    {
+        /* no memory to allocate the irp */
+        return STATUS_INSUFFICIENT_RESOURCES;
+    }
+
 
     /* HACK */
     IoStack = IoGetNextIrpStackLocation(Irp);

Modified: trunk/reactos/drivers/ksfilter/ks/pin.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/pin.c?…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/pin.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/ksfilter/ks/pin.c [iso-8859-1] Thu Aug 13 11:54:51 2009
@@ -384,16 +384,14 @@
 }
 
 /*
-    @implemented
+    @unimplemented
 */
 PFILE_OBJECT
 NTAPI
 KsPinGetConnectedPinFileObject(
     IN PKSPIN Pin)
 {
-    IKsPinImpl * This = (IKsPinImpl*)CONTAINING_RECORD(Pin, IKsPinImpl, Pin);
-
-    return This->FileObject;
+    return NULL;
 }
 
 /*
@@ -1188,8 +1186,12 @@
     This->ObjectHeader->Unknown = (PUNKNOWN)&This->lpVtbl;
     This->ObjectHeader->ObjectType = (PVOID)&This->Pin;
 
-    /*  now inform the driver to create a new pin */
-    Status = Descriptor->Dispatch->Create(&This->Pin, Irp);
+    /* does the driver have a pin dispatch */
+    if (Descriptor->Dispatch && Descriptor->Dispatch->Create)
+    {
+        /*  now inform the driver to create a new pin */
+        Status = Descriptor->Dispatch->Create(&This->Pin, Irp);
+    }
 
     if (!NT_SUCCESS(Status) && Status != STATUS_PENDING)
     {