[src/nick-nhusb]: src/sys/dev/usb s/0/NULL/ for pointer return value

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6bc83f7747b0
branches:  nick-nhusb
changeset: 334309:6bc83f7747b0
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sun Nov 08 15:19:29 2015 +0000

description:
s/0/NULL/ for pointer return value

diffstat:

 sys/dev/usb/uhci.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 2501e56851ab -r 6bc83f7747b0 sys/dev/usb/uhci.c
--- a/sys/dev/usb/uhci.c        Sun Nov 08 15:15:50 2015 +0000
+++ b/sys/dev/usb/uhci.c        Sun Nov 08 15:19:29 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uhci.c,v 1.264.4.51 2015/11/08 15:15:50 skrll Exp $    */
+/*     $NetBSD: uhci.c,v 1.264.4.52 2015/11/08 15:19:29 skrll Exp $    */
 
 /*
  * Copyright (c) 1998, 2004, 2011, 2012 The NetBSD Foundation, Inc.
@@ -42,7 +42,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.264.4.51 2015/11/08 15:15:50 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.264.4.52 2015/11/08 15:19:29 skrll Exp $");
 
 #include "opt_usb.h"
 
@@ -1805,7 +1805,7 @@
                err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK,
                          UHCI_TD_ALIGN, &dma);
                if (err)
-                       return 0;
+                       return NULL;
                for (i = 0; i < UHCI_STD_CHUNK; i++) {
                        offs = i * UHCI_STD_SIZE;
                        std = KERNADDR(&dma, offs);
@@ -1852,7 +1852,7 @@
                err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK,
                          UHCI_QH_ALIGN, &dma);
                if (err)
-                       return 0;
+                       return NULL;
                for(i = 0; i < UHCI_SQH_CHUNK; i++) {
                        offs = i * UHCI_SQH_SIZE;
                        sqh = KERNADDR(&dma, offs);