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Staging: line6: ffzb returns an unsigned integer

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find_first_zero_bit returns a positive value, use it accordingly.

Signed-off-by: Frederik Deweerdt <frederik.deweerdt@xprog.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Frederik Deweerdt
2009-09-14 08:52:37 +00:00
committed by Greg Kroah-Hartman
parent e1769b3cf0
commit c2f5e9d2bf
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/line6/capture.c
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@@ -26,7 +26,7 @@
*/ */
static int submit_audio_in_urb(struct snd_pcm_substream *substream) static int submit_audio_in_urb(struct snd_pcm_substream *substream)
{ {
int index; unsigned int index;
unsigned long flags; unsigned long flags;
struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
int i, urb_size; int i, urb_size;
@@ -35,7 +35,7 @@ static int submit_audio_in_urb(struct snd_pcm_substream *substream)
spin_lock_irqsave(&line6pcm->lock_audio_in, flags); spin_lock_irqsave(&line6pcm->lock_audio_in, flags);
index = find_first_zero_bit(&line6pcm->active_urb_in, LINE6_ISO_BUFFERS); index = find_first_zero_bit(&line6pcm->active_urb_in, LINE6_ISO_BUFFERS);
if (index < 0 || index >= LINE6_ISO_BUFFERS) { if (index >= LINE6_ISO_BUFFERS) {
spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags); spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags);
dev_err(s2m(substream), "no free URB found\n"); dev_err(s2m(substream), "no free URB found\n");
return -EINVAL; return -EINVAL;