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ALSA: pcm: Avoid confusing loop in snd_pcm_unlink() 

The snd_pcm_group_for_each_entry() loop found in snd_pcm_unlink() is
only for taking the first list entry.  Use list_first_entry() to make
clearer.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-01-13 10:19:32 +01:00
parent a41c4cb913
commit 7df5a5f66b
1 changed files with 3 additions and 5 deletions
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8
sound/core/pcm_native.c
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@ -2023,7 +2023,6 @@ static void relink_to_local(struct snd_pcm_substream *substream)
static int snd_pcm_unlink(struct snd_pcm_substream *substream)
{
struct snd_pcm_substream *s;
struct snd_pcm_group *group;
int res = 0;
@ -2040,10 +2039,9 @@ static int snd_pcm_unlink(struct snd_pcm_substream *substream)
/* detach the last stream, too */
if (list_is_singular(&group->substreams)) {
snd_pcm_group_for_each_entry(s, substream) {
relink_to_local(s);
break;
}
relink_to_local(list_first_entry(&group->substreams,
struct snd_pcm_substream,
link_list));
kfree(group);
}