diff options
Diffstat (limited to 'sound/core/pcm_native.c')
| -rw-r--r-- | sound/core/pcm_native.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 3e276fcf3336..a96733a5beb8 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -21,7 +21,6 @@ #include <sound/driver.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/slab.h> #include <linux/time.h> @@ -713,26 +712,23 @@ static int snd_pcm_action_group(struct action_ops *ops, struct snd_pcm_substream *substream, int state, int do_lock) { - struct list_head *pos; struct snd_pcm_substream *s = NULL; struct snd_pcm_substream *s1; int res = 0; - snd_pcm_group_for_each(pos, substream) { - s = snd_pcm_group_substream_entry(pos); + snd_pcm_group_for_each_entry(s, substream) { if (do_lock && s != substream) - spin_lock(&s->self_group.lock); + spin_lock_nested(&s->self_group.lock, + SINGLE_DEPTH_NESTING); res = ops->pre_action(s, state); if (res < 0) goto _unlock; } - snd_pcm_group_for_each(pos, substream) { - s = snd_pcm_group_substream_entry(pos); + snd_pcm_group_for_each_entry(s, substream) { res = ops->do_action(s, state); if (res < 0) { if (ops->undo_action) { - snd_pcm_group_for_each(pos, substream) { - s1 = snd_pcm_group_substream_entry(pos); + snd_pcm_group_for_each_entry(s1, substream) { if (s1 == s) /* failed stream */ break; ops->undo_action(s1, state); @@ -742,15 +738,13 @@ static int snd_pcm_action_group(struct action_ops *ops, goto _unlock; } } - snd_pcm_group_for_each(pos, substream) { - s = snd_pcm_group_substream_entry(pos); + snd_pcm_group_for_each_entry(s, substream) { ops->post_action(s, state); } _unlock: if (do_lock) { /* unlock streams */ - snd_pcm_group_for_each(pos, substream) { - s1 = snd_pcm_group_substream_entry(pos); + snd_pcm_group_for_each_entry(s1, substream) { if (s1 != substream) spin_unlock(&s1->self_group.lock); if (s1 == s) /* end */ @@ -1439,7 +1433,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream) { struct snd_card *card; struct snd_pcm_runtime *runtime; - struct list_head *pos; + struct snd_pcm_substream *s; int result = 0; int i, num_drecs; struct drain_rec *drec, drec_tmp, *d; @@ -1474,8 +1468,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream) /* count only playback streams */ num_drecs = 0; - snd_pcm_group_for_each(pos, substream) { - struct snd_pcm_substream *s = snd_pcm_group_substream_entry(pos); + snd_pcm_group_for_each_entry(s, substream) { runtime = s->runtime; if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { d = &drec[num_drecs++]; @@ -1675,7 +1668,7 @@ static void relink_to_local(struct snd_pcm_substream *substream) static int snd_pcm_unlink(struct snd_pcm_substream *substream) { - struct list_head *pos; + struct snd_pcm_substream *s; int res = 0; down_write(&snd_pcm_link_rwsem); @@ -1687,8 +1680,8 @@ static int snd_pcm_unlink(struct snd_pcm_substream *substream) list_del(&substream->link_list); substream->group->count--; if (substream->group->count == 1) { /* detach the last stream, too */ - snd_pcm_group_for_each(pos, substream) { - relink_to_local(snd_pcm_group_substream_entry(pos)); + snd_pcm_group_for_each_entry(s, substream) { + relink_to_local(s); break; } kfree(substream->group); |