From 93eb6f1095a28bd7507c832f1a0925c4f54bb46c Mon Sep 17 00:00:00 2001
From: Josef Karthauser <joe@FreeBSD.org>
Date: Sun, 7 Apr 2002 10:31:39 +0000
Subject: [PATCH] MFNetBSD:     revision 1.52     date: 2001/10/26 17:53:59; 
 author: augustss;  state: Exp;  lines: +8 -2     Compare pointer with NULL
 instead of using them as a condition.

---
 sys/dev/usb/uhub.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/sys/dev/usb/uhub.c b/sys/dev/usb/uhub.c
index 3b7fcf416d19..8234ba16f21e 100644
--- a/sys/dev/usb/uhub.c
+++ b/sys/dev/usb/uhub.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: uhub.c,v 1.51 2001/10/24 15:30:17 augustss Exp $	*/
+/*	$NetBSD: uhub.c,v 1.52 2001/10/26 17:53:59 augustss Exp $	*/
 /*	$FreeBSD$	*/
 
 /*
@@ -388,8 +388,14 @@ uhub_explore(usbd_device_handle dev)
 			DPRINTFN(3,("uhub_explore: port=%d !C_CONNECT_"
 				    "STATUS\n", port));
 			/* No status change, just do recursive explore. */
-			if (up->device && up->device->hub)
+			if (up->device != NULL && up->device->hub != NULL)
 				up->device->hub->explore(up->device);
+#if 0 && defined(DIAGNOSTIC)
+			if (up->device == NULL && 
+			    (status & UPS_CURRENT_CONNECT_STATUS))
+				printf("%s: connected, no device\n",
+				       USBDEVNAME(sc->sc_dev));
+#endif
 			continue;
 		}