[ALSA] Remove spinlocks around proc prints

Don't lock during showing proc read.  snd_iprintf() might sleep.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 0 insertions, 8 deletions

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 08223783cfa3..4f5204175d37 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -351,10 +351,8 @@ static void snd_pcm_substream_proc_hw_params_read(struct snd_info_entry *entry,
                 snd_iprintf(buffer, "closed\n");
                 return;
         }
-        snd_pcm_stream_lock_irq(substream);
         if (runtime->status->state == SNDRV_PCM_STATE_OPEN) {
                 snd_iprintf(buffer, "no setup\n");
-                snd_pcm_stream_unlock_irq(substream);
                 return;
         }
         snd_iprintf(buffer, "access: %s\n", snd_pcm_access_name(runtime->access));
@@ -375,7 +373,6 @@ static void snd_pcm_substream_proc_hw_params_read(struct snd_info_entry *entry,
                 snd_iprintf(buffer, "OSS period frames: %lu\n", (unsigned long)runtime->oss.period_frames);
         }
 #endif
-        snd_pcm_stream_unlock_irq(substream);
 }
 
 static void snd_pcm_substream_proc_sw_params_read(struct snd_info_entry *entry,
@@ -387,10 +384,8 @@ static void snd_pcm_substream_proc_sw_params_read(struct snd_info_entry *entry,
                 snd_iprintf(buffer, "closed\n");
                 return;
         }
-        snd_pcm_stream_lock_irq(substream);
         if (runtime->status->state == SNDRV_PCM_STATE_OPEN) {
                 snd_iprintf(buffer, "no setup\n");
-                snd_pcm_stream_unlock_irq(substream);
                 return;
         }
         snd_iprintf(buffer, "tstamp_mode: %s\n", snd_pcm_tstamp_mode_name(runtime->tstamp_mode));
@@ -403,7 +398,6 @@ static void snd_pcm_substream_proc_sw_params_read(struct snd_info_entry *entry,
         snd_iprintf(buffer, "silence_threshold: %lu\n", runtime->silence_threshold);
         snd_iprintf(buffer, "silence_size: %lu\n", runtime->silence_size);
         snd_iprintf(buffer, "boundary: %lu\n", runtime->boundary);
-        snd_pcm_stream_unlock_irq(substream);
 }
 
 static void snd_pcm_substream_proc_status_read(struct snd_info_entry *entry,
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 9a1e51c7c230..e37eab74572d 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1095,7 +1095,6 @@ static void snd_timer_proc_read(struct snd_info_entry *entry,
                 if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)
                         snd_iprintf(buffer, " SLAVE");
                 snd_iprintf(buffer, "\n");
-                spin_lock_irqsave(&timer->lock, flags);
                 list_for_each(q, &timer->open_list_head) {
                         ti = list_entry(q, struct snd_timer_instance, open_list);
                         snd_iprintf(buffer, "  Client %s : %s\n",
@@ -1104,7 +1103,6 @@ static void snd_timer_proc_read(struct snd_info_entry *entry,
                                                  SNDRV_TIMER_IFLG_RUNNING)
                                     ? "running" : "stopped");
                 }
-                spin_unlock_irqrestore(&timer->lock, flags);
         }
         mutex_unlock(&register_mutex);
 }