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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-12-26 14:52:54 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-12-26 14:52:54 +0000
commit7f50548abb5454bd82c25aae15f0a3bf6a530f46 (patch)
tree175b5d695437151f0f9f778ad8eb7f274468842f /sound/core/pcm.c
parentb3172f222ab5afdc91ea058bd11c42cf169728f3 (diff)
parent6b7b284958d47b77d06745b36bc7f36dab769d9b (diff)
Merge commit 'v2.6.33-rc2' into for-2.6.33
Diffstat (limited to 'sound/core/pcm.c')
-rw-r--r--sound/core/pcm.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index c69c60b2a48a..6884ae031f6f 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -435,6 +435,7 @@ static void snd_pcm_substream_proc_status_read(struct snd_info_entry *entry,
return;
}
snd_iprintf(buffer, "state: %s\n", snd_pcm_state_name(status.state));
+ snd_iprintf(buffer, "owner_pid : %d\n", pid_vnr(substream->pid));
snd_iprintf(buffer, "trigger_time: %ld.%09ld\n",
status.trigger_tstamp.tv_sec, status.trigger_tstamp.tv_nsec);
snd_iprintf(buffer, "tstamp : %ld.%09ld\n",
@@ -809,7 +810,7 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
card = pcm->card;
read_lock(&card->ctl_files_rwlock);
list_for_each_entry(kctl, &card->ctl_files, list) {
- if (kctl->pid == current->pid) {
+ if (kctl->pid == task_pid(current)) {
prefer_subdevice = kctl->prefer_pcm_subdevice;
if (prefer_subdevice != -1)
break;
@@ -900,6 +901,7 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
substream->private_data = pcm->private_data;
substream->ref_count = 1;
substream->f_flags = file->f_flags;
+ substream->pid = get_pid(task_pid(current));
pstr->substream_opened++;
*rsubstream = substream;
return 0;
@@ -921,6 +923,8 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
kfree(runtime->hw_constraints.rules);
kfree(runtime);
substream->runtime = NULL;
+ put_pid(substream->pid);
+ substream->pid = NULL;
substream->pstr->substream_opened--;
}