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-rw-r--r--include/sound/pcm.h11
-rw-r--r--sound/core/pcm.c66
-rw-r--r--sound/core/pcm_memory.c16
3 files changed, 13 insertions, 80 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index a20d3a48df00..eae6d2b82d7a 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -481,15 +481,6 @@ struct snd_pcm_substream {
#endif
#ifdef CONFIG_SND_VERBOSE_PROCFS
struct snd_info_entry *proc_root;
- struct snd_info_entry *proc_info_entry;
- struct snd_info_entry *proc_hw_params_entry;
- struct snd_info_entry *proc_sw_params_entry;
- struct snd_info_entry *proc_status_entry;
- struct snd_info_entry *proc_prealloc_entry;
- struct snd_info_entry *proc_prealloc_max_entry;
-#ifdef CONFIG_SND_PCM_XRUN_DEBUG
- struct snd_info_entry *proc_xrun_injection_entry;
-#endif
#endif /* CONFIG_SND_VERBOSE_PROCFS */
/* misc flags */
unsigned int hw_opened: 1;
@@ -511,10 +502,8 @@ struct snd_pcm_str {
#endif
#ifdef CONFIG_SND_VERBOSE_PROCFS
struct snd_info_entry *proc_root;
- struct snd_info_entry *proc_info_entry;
#ifdef CONFIG_SND_PCM_XRUN_DEBUG
unsigned int xrun_debug; /* 0 = disabled, 1 = verbose, 2 = stacktrace */
- struct snd_info_entry *proc_xrun_debug_entry;
#endif
#endif
struct snd_kcontrol *chmap_kctl; /* channel-mapping controls */
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index ca1ea3cf9350..bca0bdf3e33c 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -536,12 +536,9 @@ static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)
entry = snd_info_create_card_entry(pcm->card, "info", pstr->proc_root);
if (entry) {
snd_info_set_text_ops(entry, pstr, snd_pcm_stream_proc_info_read);
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- pstr->proc_info_entry = entry;
#ifdef CONFIG_SND_PCM_XRUN_DEBUG
entry = snd_info_create_card_entry(pcm->card, "xrun_debug",
@@ -551,24 +548,15 @@ static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)
entry->c.text.write = snd_pcm_xrun_debug_write;
entry->mode |= 0200;
entry->private_data = pstr;
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- pstr->proc_xrun_debug_entry = entry;
#endif
return 0;
}
static int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr)
{
-#ifdef CONFIG_SND_PCM_XRUN_DEBUG
- snd_info_free_entry(pstr->proc_xrun_debug_entry);
- pstr->proc_xrun_debug_entry = NULL;
-#endif
- 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;
@@ -597,45 +585,33 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
if (entry) {
snd_info_set_text_ops(entry, substream,
snd_pcm_substream_proc_info_read);
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- substream->proc_info_entry = entry;
entry = snd_info_create_card_entry(card, "hw_params",
substream->proc_root);
if (entry) {
snd_info_set_text_ops(entry, substream,
snd_pcm_substream_proc_hw_params_read);
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- substream->proc_hw_params_entry = entry;
entry = snd_info_create_card_entry(card, "sw_params",
substream->proc_root);
if (entry) {
snd_info_set_text_ops(entry, substream,
snd_pcm_substream_proc_sw_params_read);
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- substream->proc_sw_params_entry = entry;
entry = snd_info_create_card_entry(card, "status",
substream->proc_root);
if (entry) {
snd_info_set_text_ops(entry, substream,
snd_pcm_substream_proc_status_read);
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- substream->proc_status_entry = entry;
#ifdef CONFIG_SND_PCM_XRUN_DEBUG
entry = snd_info_create_card_entry(card, "xrun_injection",
@@ -645,40 +621,18 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
entry->c.text.read = NULL;
entry->c.text.write = snd_pcm_xrun_injection_write;
entry->mode = S_IFREG | 0200;
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- substream->proc_xrun_injection_entry = entry;
#endif /* CONFIG_SND_PCM_XRUN_DEBUG */
return 0;
}
-static int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream)
-{
- 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;
-#ifdef CONFIG_SND_PCM_XRUN_DEBUG
- snd_info_free_entry(substream->proc_xrun_injection_entry);
- substream->proc_xrun_injection_entry = NULL;
-#endif
- snd_info_free_entry(substream->proc_root);
- substream->proc_root = NULL;
- return 0;
-}
#else /* !CONFIG_SND_VERBOSE_PROCFS */
static inline int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr) { return 0; }
static inline int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr) { return 0; }
static inline int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream) { return 0; }
-static inline int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream) { return 0; }
#endif /* CONFIG_SND_VERBOSE_PROCFS */
static const struct attribute_group *pcm_dev_attr_groups[];
@@ -911,15 +865,17 @@ static void snd_pcm_free_stream(struct snd_pcm_str * pstr)
#if IS_ENABLED(CONFIG_SND_PCM_OSS)
struct snd_pcm_oss_setup *setup, *setupn;
#endif
+
+ /* free all proc files under the stream */
+ snd_pcm_stream_proc_done(pstr);
+
substream = pstr->substream;
while (substream) {
substream_next = substream->next;
snd_pcm_timer_done(substream);
- snd_pcm_substream_proc_done(substream);
kfree(substream);
substream = substream_next;
}
- snd_pcm_stream_proc_done(pstr);
#if IS_ENABLED(CONFIG_SND_PCM_OSS)
for (setup = pstr->oss.setup_list; setup; setup = setupn) {
setupn = setup->next;
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index 4b5356a10315..9a98bc61461f 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -93,12 +93,6 @@ static void snd_pcm_lib_preallocate_dma_free(struct snd_pcm_substream *substream
int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream)
{
snd_pcm_lib_preallocate_dma_free(substream);
-#ifdef CONFIG_SND_VERBOSE_PROCFS
- snd_info_free_entry(substream->proc_prealloc_max_entry);
- substream->proc_prealloc_max_entry = NULL;
- snd_info_free_entry(substream->proc_prealloc_entry);
- substream->proc_prealloc_entry = NULL;
-#endif
return 0;
}
@@ -203,21 +197,15 @@ static inline void preallocate_info_init(struct snd_pcm_substream *substream)
entry->c.text.write = snd_pcm_lib_preallocate_proc_write;
entry->mode |= 0200;
entry->private_data = substream;
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- substream->proc_prealloc_entry = entry;
if ((entry = snd_info_create_card_entry(substream->pcm->card, "prealloc_max", substream->proc_root)) != NULL) {
entry->c.text.read = snd_pcm_lib_preallocate_max_proc_read;
entry->private_data = substream;
- if (snd_info_register(entry) < 0) {
+ if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
- entry = NULL;
- }
}
- substream->proc_prealloc_max_entry = entry;
}
#else /* !CONFIG_SND_VERBOSE_PROCFS */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.