[PATCH] NULL noise removal in sound/usb/*

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 38f415e33a255369ffbd0ad7b30612d84a914789..6d5197c9357c284a7be4eff709efff1ce847c9fb 100644 (file)
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -898,11 +898,11 @@ static void release_urb_ctx(snd_urb_ctx_t *u)
 {
        if (u->urb) {
                usb_free_urb(u->urb);
-               u->urb = 0;
+               u->urb = NULL;
        }
        if (u->buf) {
                kfree(u->buf);
-               u->buf = 0;
+               u->buf = NULL;
        }
 }
 
@@ -923,7 +923,7 @@ static void release_substream_urbs(snd_usb_substream_t *subs, int force)
                release_urb_ctx(&subs->syncurb[i]);
        if (subs->tmpbuf) {
                kfree(subs->tmpbuf);
-               subs->tmpbuf = 0;
+               subs->tmpbuf = NULL;
        }
        subs->nurbs = 0;
 }

diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index a17d3f82daad7bd0e3faf6adc3e2f9bc324a45b9..13921f1f1ca74829b737552bdf29bbd89cae24d7 100644 (file)
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -574,7 +574,7 @@ static void usb_mixer_elem_free(snd_kcontrol_t *kctl)
 {
        if (kctl->private_data) {
                snd_magic_kfree((void *)kctl->private_data);
-               kctl->private_data = 0;
+               kctl->private_data = NULL;
        }
 }
 
@@ -1318,7 +1318,7 @@ static void usb_mixer_selector_elem_free(snd_kcontrol_t *kctl)
                usb_mixer_elem_info_t *cval = snd_magic_cast(usb_mixer_elem_info_t, kctl->private_data,);
                num_ins = cval->max;
                snd_magic_kfree(cval);
-               kctl->private_data = 0;
+               kctl->private_data = NULL;
        }
        if (kctl->private_value) {
                char **itemlist = (char **)kctl->private_value;