staging/line6: Fix sparse warning 'Using plain integer as NULL pointer'
authorPeter Huewe <peterhuewe@gmx.de>
Tue, 7 Dec 2010 22:38:02 +0000 (23:38 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 8 Dec 2010 22:31:01 +0000 (14:31 -0800)
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>
drivers/staging/line6/capture.c
drivers/staging/line6/midi.c
drivers/staging/line6/playback.c

index 1e3bb14063319620ea05b7b0a815521c0d09b2d9..9647154a4923157827210aa37b8f90ae8b2a14eb 100644 (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) {
index ab67e889d2c4b53f14f0488d96e3749de08565c7..e554a2da643a6dcc07582a66a8e0de99ccc0a90b 100644 (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;
index 29940fd1671b5108d32906ed3d755fad2cddc207..10c54383658367ac4fc81eb2ddc6658a28e1da9d 100644 (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,