[PATCH 1/4] ntoskrnl.exe: Return driver dispatch result to caller.

[Chip Davis]

Signed-off-by: Chip Davis 
---
 dlls/ntoskrnl.exe/ntoskrnl.c | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index a810dee573f..3a3c543be83 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -479,9 +479,10 @@ struct dispatch_context
     void  *in_buff;
 };

-static void dispatch_irp( DEVICE_OBJECT *device, IRP *irp, struct dispatch_context *context )
+static NTSTATUS dispatch_irp( DEVICE_OBJECT *device, IRP *irp, struct dispatch_context *context )
 {
     LARGE_INTEGER count;
+    NTSTATUS status;

IoSetCompletionRoutine( irp, dispatch_irp_completion, context->handle, TRUE, TRUE, TRUE );
     context->handle = 0;
@@ -491,9 +492,10 @@ static void dispatch_irp( DEVICE_OBJECT *device, IRP *irp, struct dispatch_conte
     context->irp = irp;
     device->CurrentIrp = irp;
     KeEnterCriticalRegion();
-    IoCallDriver( device, irp );
+    status = IoCallDriver( device, irp );
     KeLeaveCriticalRegion();
     device->CurrentIrp = NULL;
+    return status;
 }

/* process a create request for a given file */
@@ -536,9 +538,7 @@ static NTSTATUS dispatch_create( struct dispatch_context *context )
     irp->UserEvent = NULL;

irp->Flags |= IRP_CREATE_OPERATION;
-    dispatch_irp( device, irp, context );
-
-    return STATUS_SUCCESS;
+    return dispatch_irp( device, irp, context );
 }

/* process a close request for a given file */
@@ -574,9 +574,7 @@ static NTSTATUS dispatch_close( struct dispatch_context *context )
     irp->UserEvent = NULL;

irp->Flags |= IRP_CLOSE_OPERATION;
-    dispatch_irp( device, irp, context );
-
-    return STATUS_SUCCESS;
+    return dispatch_irp( device, irp, context );
 }

/* process a read request for a given device */
@@ -616,9 +614,7 @@ static NTSTATUS dispatch_read( struct dispatch_context *context )

irp->Flags |= IRP_READ_OPERATION;
     irp->Flags |= IRP_DEALLOCATE_BUFFER;  /* deallocate out_buff */
-    dispatch_irp( device, irp, context );
-
-    return STATUS_SUCCESS;
+    return dispatch_irp( device, irp, context );
 }

/* process a write request for a given device */
@@ -652,9 +648,7 @@ static NTSTATUS dispatch_write( struct dispatch_context *context )

irp->Flags |= IRP_WRITE_OPERATION;
     irp->Flags |= IRP_DEALLOCATE_BUFFER;  /* deallocate in_buff */
-    dispatch_irp( device, irp, context );
-
-    return STATUS_SUCCESS;
+    return dispatch_irp( device, irp, context );
 }

/* process a flush request for a given device */
@@ -681,9 +675,7 @@ static NTSTATUS dispatch_flush( struct dispatch_context *context )
     irpsp = IoGetNextIrpStackLocation( irp );
     irpsp->FileObject = file;

-    dispatch_irp( device, irp, context );
-
-    return STATUS_SUCCESS;
+    return dispatch_irp( device, irp, context );
 }

/* process an ioctl request for a given device */
@@ -696,6 +688,7 @@ static NTSTATUS dispatch_ioctl( struct dispatch_context *context )
     DEVICE_OBJECT *device;
     FILE_OBJECT *file = wine_server_get_ptr( context->params.ioctl.file );
     ULONG out_size = context->params.ioctl.out_size;
+    NTSTATUS status;

if (!file) return STATUS_INVALID_HANDLE;

@@ -744,10 +737,10 @@ static NTSTATUS dispatch_ioctl( struct dispatch_context *context )
     context->in_buff = NULL;

irp->Flags |= IRP_DEALLOCATE_BUFFER;  /* deallocate in_buff */
-    dispatch_irp( device, irp, context );
+    status = dispatch_irp( device, irp, context );

HeapFree( GetProcessHeap(), 0, to_free );
-    return STATUS_SUCCESS;
+    return status;
 }

static NTSTATUS dispatch_free( struct dispatch_context *context )