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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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52
sound/pci/cs46xx/dsp_spos.c
View File

@ -868,35 +868,23 @@ int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
int i;
if (ins->proc_sym_info_entry) {
snd_info_unregister(ins->proc_sym_info_entry);
ins->proc_sym_info_entry = NULL;
}
if (ins->proc_modules_info_entry) {
snd_info_unregister(ins->proc_modules_info_entry);
ins->proc_modules_info_entry = NULL;
}
if (ins->proc_parameter_dump_info_entry) {
snd_info_unregister(ins->proc_parameter_dump_info_entry);
ins->proc_parameter_dump_info_entry = NULL;
}
if (ins->proc_sample_dump_info_entry) {
snd_info_unregister(ins->proc_sample_dump_info_entry);
ins->proc_sample_dump_info_entry = NULL;
}
if (ins->proc_scb_info_entry) {
snd_info_unregister(ins->proc_scb_info_entry);
ins->proc_scb_info_entry = NULL;
}
if (ins->proc_task_info_entry) {
snd_info_unregister(ins->proc_task_info_entry);
ins->proc_task_info_entry = NULL;
}
snd_info_free_entry(ins->proc_sym_info_entry);
ins->proc_sym_info_entry = NULL;
snd_info_free_entry(ins->proc_modules_info_entry);
ins->proc_modules_info_entry = NULL;
snd_info_free_entry(ins->proc_parameter_dump_info_entry);
ins->proc_parameter_dump_info_entry = NULL;
snd_info_free_entry(ins->proc_sample_dump_info_entry);
ins->proc_sample_dump_info_entry = NULL;
snd_info_free_entry(ins->proc_scb_info_entry);
ins->proc_scb_info_entry = NULL;
snd_info_free_entry(ins->proc_task_info_entry);
ins->proc_task_info_entry = NULL;
mutex_lock(&chip->spos_mutex);
for (i = 0; i < ins->nscb; ++i) {
@ -905,10 +893,8 @@ int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
}
mutex_unlock(&chip->spos_mutex);
if (ins->proc_dsp_dir) {
snd_info_unregister (ins->proc_dsp_dir);
ins->proc_dsp_dir = NULL;
}
snd_info_free_entry(ins->proc_dsp_dir);
ins->proc_dsp_dir = NULL;
return 0;
}