From 931a85be7938db311c0b7849786b36e6130738db Mon Sep 17 00:00:00 2001
From: kiyohara <kiyohara@NetBSD.org>
Date: Fri, 14 May 2010 12:25:19 +0000
Subject: [PATCH] May be easy to understand 'pay_len > 0' more than 'paylaod !=
 NULL'.

---
 sys/dev/ieee1394/firewire.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sys/dev/ieee1394/firewire.c b/sys/dev/ieee1394/firewire.c
index 8c9b8fd675b7..b714465fc40f 100644
--- a/sys/dev/ieee1394/firewire.c
+++ b/sys/dev/ieee1394/firewire.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: firewire.c,v 1.31 2010/05/10 12:17:32 kiyohara Exp $	*/
+/*	$NetBSD: firewire.c,v 1.32 2010/05/14 12:25:19 kiyohara Exp $	*/
 /*-
  * Copyright (c) 2003 Hidetoshi Shimokawa
  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: firewire.c,v 1.31 2010/05/10 12:17:32 kiyohara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: firewire.c,v 1.32 2010/05/14 12:25:19 kiyohara Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -920,9 +920,9 @@ fw_xfer_free_buf(struct fw_xfer* xfer)
 		return;
 	}
 	fw_xfer_unload(xfer);
-	if (xfer->send.payload != NULL)
+	if (xfer->send.pay_len > 0)
 		kmem_free(xfer->send.payload, xfer->send.pay_len);
-	if (xfer->recv.payload != NULL)
+	if (xfer->recv.pay_len > 0)
 		kmem_free(xfer->recv.payload, xfer->recv.pay_len);
 	cv_destroy(&xfer->cv);
 	kmem_free(xfer, sizeof(struct fw_xfer));