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[ALSA] Fix disconnection of proc interface

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- Add the linked list to each proc entry to enable a single-shot
  disconnection (unregister)
- Deprecate snd_info_unregister(), use snd_info_free_entry()
- Removed NULL checks of snd_info_free_entry()

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai
2006-06-23 14:37:59 +02:00
committed by Jaroslav Kysela
parent 42750b04c5
commit 746d4a02e6
21 changed files with 123 additions and 172 deletions
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53
sound/core/pcm.c
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@@ -494,19 +494,13 @@ static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)
static int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr)
{
#ifdef CONFIG_SND_PCM_XRUN_DEBUG
if (pstr->proc_xrun_debug_entry) {
snd_info_unregister(pstr->proc_xrun_debug_entry);
pstr->proc_xrun_debug_entry = NULL;
}
snd_info_free_entry(pstr->proc_xrun_debug_entry);
pstr->proc_xrun_debug_entry = NULL;
#endif
if (pstr->proc_info_entry) {
snd_info_unregister(pstr->proc_info_entry);
pstr->proc_info_entry = NULL;
}
if (pstr->proc_root) {
snd_info_unregister(pstr->proc_root);
pstr->proc_root = NULL;
}
snd_info_free_entry(pstr->proc_info_entry);
pstr->proc_info_entry = NULL;
snd_info_free_entry(pstr->proc_root);
pstr->proc_root = NULL;
return 0;
}
@@ -570,29 +564,19 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
return 0;
}
static int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream)
{
if (substream->proc_info_entry) {
snd_info_unregister(substream->proc_info_entry);
substream->proc_info_entry = NULL;
}
if (substream->proc_hw_params_entry) {
snd_info_unregister(substream->proc_hw_params_entry);
substream->proc_hw_params_entry = NULL;
}
if (substream->proc_sw_params_entry) {
snd_info_unregister(substream->proc_sw_params_entry);
substream->proc_sw_params_entry = NULL;
}
if (substream->proc_status_entry) {
snd_info_unregister(substream->proc_status_entry);
substream->proc_status_entry = NULL;
}
if (substream->proc_root) {
snd_info_unregister(substream->proc_root);
substream->proc_root = NULL;
}
snd_info_free_entry(substream->proc_info_entry);
substream->proc_info_entry = NULL;
snd_info_free_entry(substream->proc_hw_params_entry);
substream->proc_hw_params_entry = NULL;
snd_info_free_entry(substream->proc_sw_params_entry);
substream->proc_sw_params_entry = NULL;
snd_info_free_entry(substream->proc_status_entry);
substream->proc_status_entry = NULL;
snd_info_free_entry(substream->proc_root);
substream->proc_root = NULL;
return 0;
}
#else /* !CONFIG_SND_VERBOSE_PROCFS */
@@ -1090,8 +1074,7 @@ static void snd_pcm_proc_init(void)
static void snd_pcm_proc_done(void)
{
if (snd_pcm_proc_entry)
snd_info_unregister(snd_pcm_proc_entry);
snd_info_free_entry(snd_pcm_proc_entry);
}
#else /* !CONFIG_PROC_FS */