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authorJoe Perches <joe@perches.com>2012-11-17 08:35:16 +0100
committerTakashi Iwai <tiwai@suse.de>2012-11-17 11:35:07 +0100
commit190006f9d6594ee9ef4775ec09edda7df76fc8f1 (patch)
treed65ded1a1737b20ebe54e7f0dca75a155cfe67fc /sound/usb/endpoint.c
parentALSA: core: fix NULL checking in snd_pcm_plug_slave_size() (diff)
downloadlinux-190006f9d6594ee9ef4775ec09edda7df76fc8f1.tar.xz
linux-190006f9d6594ee9ef4775ec09edda7df76fc8f1.zip
ALSA: usb-audio: use bitmap_weight
Use bitmap_weight to count the total number of bits set in bitmap. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/endpoint.c')
-rw-r--r--sound/usb/endpoint.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 34de6f2faf61..51a9aa372cc7 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -485,15 +485,10 @@ __exit_unlock:
static int wait_clear_urbs(struct snd_usb_endpoint *ep)
{
unsigned long end_time = jiffies + msecs_to_jiffies(1000);
- unsigned int i;
int alive;
do {
- alive = 0;
- for (i = 0; i < ep->nurbs; i++)
- if (test_bit(i, &ep->active_mask))
- alive++;
-
+ alive = bitmap_weight(&ep->active_mask, ep->nurbs);
if (!alive)
break;