From: Peter Huewe <peterhuewe@gmx.de>
Date: Tue, 7 Dec 2010 22:38:02 +0000 (+0100)
Subject: staging/line6: Fix sparse warning 'Using plain integer as NULL pointer'
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=597a1e7cccc9a5a0c47629267ac4b23bf8654578;p=mv-sheeva.git

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

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>
---

diff --git a/drivers/staging/line6/capture.c b/drivers/staging/line6/capture.c
index 1e3bb140633..9647154a492 100644
--- a/drivers/staging/line6/capture.c
+++ b/drivers/staging/line6/capture.c
@@ -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) {
diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c
index ab67e889d2c..e554a2da643 100644
--- a/drivers/staging/line6/midi.c
+++ b/drivers/staging/line6/midi.c
@@ -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;
diff --git a/drivers/staging/line6/playback.c b/drivers/staging/line6/playback.c
index 29940fd1671..10c54383658 100644
--- a/drivers/staging/line6/playback.c
+++ b/drivers/staging/line6/playback.c
@@ -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,