From 1e92d6dfb53d74c31805aaa536816464d3756e35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= <hpoussin@reactos.org>
Date: Thu, 28 Apr 2005 21:56:36 +0000
Subject: [PATCH] Don't pass a NULL pointer as offset when creating a
 IRP_MJ_READ irp.

svn path=/trunk/; revision=14851
---
 reactos/drivers/bus/serenum/detect.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/reactos/drivers/bus/serenum/detect.c b/reactos/drivers/bus/serenum/detect.c
index db4d8bf9d47..6a315af6bfe 100644
--- a/reactos/drivers/bus/serenum/detect.c
+++ b/reactos/drivers/bus/serenum/detect.c
@@ -71,14 +71,16 @@ ReadBytes(
 	PIRP Irp;
 	IO_STATUS_BLOCK ioStatus;
 	KEVENT event;
+	LARGE_INTEGER zero;
 	NTSTATUS Status;
 	
 	KeInitializeEvent(&event, NotificationEvent, FALSE);
+	zero.QuadPart = 0;
 	Irp = IoBuildSynchronousFsdRequest(
 		IRP_MJ_READ,
 		LowerDevice,
 		Buffer, BufferSize,
-		0,
+		&zero,
 		&event,
 		&ioStatus);
 	if (!Irp)
@@ -422,6 +424,10 @@ SerenumDetectLegacyDevice(
 	UNICODE_STRING CompatibleIds;
 	NTSTATUS Status;
 	
+	DPRINT("Serenum: SerenumDetectLegacyDevice(DeviceObject %p, LowerDevice %p)\n",
+		DeviceObject,
+		LowerDevice);
+	
 	RtlZeroMemory(Buffer, sizeof(Buffer));
 	
 	/* Reset UART */