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staging/line6: Fix sparse warning 'Using plain integer as NULL pointer'

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This patch fixes the warning generated by sparse: "Using plain integer
as NULL pointer" by replacing the offending 0s with NULL.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Peter Huewe 2010-12-07 23:38:02 +01:00 committed by Greg Kroah-Hartman
parent fb657461ab
commit 597a1e7ccc
3 changed files with 4 additions and 4 deletions
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2
drivers/staging/line6/capture.c
View file

@ -147,7 +147,7 @@ void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf, int fsize)
const int bytes_per_frame = line6pcm->properties->bytes_per_frame;
int frames = fsize / bytes_per_frame;
if (runtime == 0)
if (runtime == NULL)
return;
if (line6pcm->pos_in_done + frames > runtime->buffer_size) {

4
drivers/staging/line6/midi.c
View file

@ -127,7 +127,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (urb == 0) {
if (urb == NULL) {
dev_err(line6->ifcdev, "Out of memory\n");
return -ENOMEM;
}
@ -137,7 +137,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
transfer_buffer = kmalloc(length, GFP_ATOMIC);
if (transfer_buffer == 0) {
if (transfer_buffer == NULL) {
usb_free_urb(urb);
dev_err(line6->ifcdev, "Out of memory\n");
return -ENOMEM;

2
drivers/staging/line6/playback.c
View file

@ -246,7 +246,7 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm)
change_volume(urb_out, line6pcm->volume_playback, bytes_per_frame);
if (line6pcm->prev_fbuf != 0) {
if (line6pcm->prev_fbuf != NULL) {
#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE
if (line6pcm->flags & MASK_PCM_IMPULSE) {
create_impulse_test_signal(line6pcm, urb_out,