[src/nick-nhusb]: src/sys/dev/usb Use NULL not 0 for pointer comparison

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

details:   https://anonhg.NetBSD.org/src/rev/19faa08b3224
branches:  nick-nhusb
changeset: 334206:19faa08b3224
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat May 09 09:35:20 2015 +0000

description:
Use NULL not 0 for pointer comparison

diffstat:

 sys/dev/usb/uaudio.c |   6 +++---
 sys/dev/usb/ugen.c   |  12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)

diffs (81 lines):

diff -r 78bafeef48b5 -r 19faa08b3224 sys/dev/usb/uaudio.c
--- a/sys/dev/usb/uaudio.c      Tue Apr 28 06:55:26 2015 +0000
+++ b/sys/dev/usb/uaudio.c      Sat May 09 09:35:20 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uaudio.c,v 1.140.2.8 2015/04/06 15:18:13 skrll Exp $   */
+/*     $NetBSD: uaudio.c,v 1.140.2.9 2015/05/09 09:35:20 skrll Exp $   */
 
 /*
  * Copyright (c) 1999, 2012 The NetBSD Foundation, Inc.
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.140.2.8 2015/04/06 15:18:13 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.140.2.9 2015/05/09 09:35:20 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -2751,7 +2751,7 @@
        size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES;
        for (i = 0; i < UAUDIO_NCHANBUFS; i++) {
                xfer = usbd_alloc_xfer(sc->sc_udev);
-               if (xfer == 0)
+               if (xfer == NULL)
                        goto bad;
                ch->chanbufs[i].xfer = xfer;
                tbuf = usbd_alloc_buffer(xfer, size);
diff -r 78bafeef48b5 -r 19faa08b3224 sys/dev/usb/ugen.c
--- a/sys/dev/usb/ugen.c        Tue Apr 28 06:55:26 2015 +0000
+++ b/sys/dev/usb/ugen.c        Sat May 09 09:35:20 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ugen.c,v 1.126.2.8 2015/03/21 11:33:37 skrll Exp $     */
+/*     $NetBSD: ugen.c,v 1.126.2.9 2015/05/09 09:35:20 skrll Exp $     */
 
 /*
  * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
@@ -37,7 +37,7 @@
 
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ugen.c,v 1.126.2.8 2015/03/21 11:33:37 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ugen.c,v 1.126.2.9 2015/05/09 09:35:20 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -464,7 +464,7 @@
                        for(i = 0; i < UGEN_NISOREQS; ++i) {
                                sce->isoreqs[i].sce = sce;
                                xfer = usbd_alloc_xfer(sc->sc_udev);
-                               if (xfer == 0)
+                               if (xfer == NULL)
                                        goto bad;
                                sce->isoreqs[i].xfer = xfer;
                                tbuf = usbd_alloc_buffer
@@ -720,7 +720,7 @@
                        break;
                }
                xfer = usbd_alloc_xfer(sc->sc_udev);
-               if (xfer == 0)
+               if (xfer == NULL)
                        return ENOMEM;
                while ((n = min(UGEN_BBSIZE, uio->uio_resid)) != 0) {
                        DPRINTFN(1, ("ugenread: start transfer %d bytes\n",n));
@@ -934,7 +934,7 @@
                        break;
                }
                xfer = usbd_alloc_xfer(sc->sc_udev);
-               if (xfer == 0)
+               if (xfer == NULL)
                        return EIO;
                while ((n = min(UGEN_BBSIZE, uio->uio_resid)) != 0) {
                        error = uiomove(sc->sc_buffer, n, uio);
@@ -957,7 +957,7 @@
                break;
        case UE_INTERRUPT:
                xfer = usbd_alloc_xfer(sc->sc_udev);
-               if (xfer == 0)
+               if (xfer == NULL)
                        return EIO;
                while ((n = min(UGETW(sce->edesc->wMaxPacketSize),
                    uio->uio_resid)) != 0) {