diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-12-21 11:21:15 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2009-12-21 11:21:15 +0100 |
commit | de8853bc38ceab1fa7e7f723b21430d4aad60fea (patch) | |
tree | 5084ef51866fd1767324f8dc8eb36e97c55350f5 /sound/core/pcm.c | |
parent | f5de24b06aa46427500d0fdbe8616b73a71d8c28 (diff) | |
parent | 440b004cf953bec2bc8cd91c64ae707fd7e25327 (diff) |
Merge remote branch 'alsa/fixes' into fix/hda
Diffstat (limited to 'sound/core/pcm.c')
-rw-r--r-- | sound/core/pcm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index c69c60b2a48..6884ae031f6 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--; } |