Staging: line6: ffzb returns an unsigned integer
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>
diff --git a/drivers/staging/line6/capture.c b/drivers/staging/line6/capture.c
index 8393e25..ea2060b 100644
--- a/drivers/staging/line6/capture.c
+++ b/drivers/staging/line6/capture.c
@@ -26,7 +26,7 @@
*/
static int submit_audio_in_urb(struct snd_pcm_substream *substream)
{
- int index;
+ unsigned int index;
unsigned long flags;
struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
int i, urb_size;
@@ -35,7 +35,7 @@
spin_lock_irqsave(&line6pcm->lock_audio_in, flags);
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);
dev_err(s2m(substream), "no free URB found\n");
return -EINVAL;