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Date: Wed, 25 May 2011 22:43:27 +0200
From: Luca Tettamanti <kronos.it@...il.com>
To: linux-kernel@...r.kernel.org
Cc: alsa-devel@...a-project.org, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.de>
Subject: [PATCH] sound core: remove unused variables.
Drop a few variables that are never read.
Signed-off-by: Luca Tettamanti <kronos.it@...il.com>
---
sound/core/control.c | 3 +--
sound/core/init.c | 3 ---
sound/core/oss/linear.c | 3 ---
sound/core/pcm_native.c | 8 --------
sound/core/seq/seq_queue.c | 2 --
5 files changed, 1 insertions(+), 18 deletions(-)
diff --git a/sound/core/control.c b/sound/core/control.c
index 5d98194..f8c5be4 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -704,13 +704,12 @@ static int snd_ctl_elem_list(struct snd_card *card,
struct snd_ctl_elem_list list;
struct snd_kcontrol *kctl;
struct snd_ctl_elem_id *dst, *id;
- unsigned int offset, space, first, jidx;
+ unsigned int offset, space, jidx;
if (copy_from_user(&list, _list, sizeof(list)))
return -EFAULT;
offset = list.offset;
space = list.space;
- first = 0;
/* try limit maximum space */
if (space > 16384)
return -ENOMEM;
diff --git a/sound/core/init.c b/sound/core/init.c
index 30ecad4..2c041bb 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -342,7 +342,6 @@ static const struct file_operations snd_shutdown_f_ops =
int snd_card_disconnect(struct snd_card *card)
{
struct snd_monitor_file *mfile;
- struct file *file;
int err;
if (!card)
@@ -366,8 +365,6 @@ int snd_card_disconnect(struct snd_card *card)
spin_lock(&card->files_lock);
list_for_each_entry(mfile, &card->files_list, list) {
- file = mfile->file;
-
/* it's critical part, use endless loop */
/* we have no room to fail */
mfile->disconnected_f_op = mfile->file->f_op;
diff --git a/sound/core/oss/linear.c b/sound/core/oss/linear.c
index 13b3f6f..2045697 100644
--- a/sound/core/oss/linear.c
+++ b/sound/core/oss/linear.c
@@ -90,11 +90,8 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
- struct linear_priv *data;
-
if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
return -ENXIO;
- data = (struct linear_priv *)plugin->extra_data;
if (frames == 0)
return 0;
#ifdef CONFIG_SND_DEBUG
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 1a07750..3a5f86d 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1518,13 +1518,11 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
static int snd_pcm_drop(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime;
- struct snd_card *card;
int result = 0;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- card = substream->pcm->card;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED ||
@@ -2056,7 +2054,6 @@ static int snd_pcm_open_file(struct file *file,
{
struct snd_pcm_file *pcm_file;
struct snd_pcm_substream *substream;
- struct snd_pcm_str *str;
int err;
if (rpcm_file)
@@ -2073,7 +2070,6 @@ static int snd_pcm_open_file(struct file *file,
}
pcm_file->substream = substream;
if (substream->ref_count == 1) {
- str = substream->pstr;
substream->file = pcm_file;
substream->pcm_release = pcm_release_private;
}
@@ -3015,11 +3011,9 @@ static const struct vm_operations_struct snd_pcm_vm_ops_status =
static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file *file,
struct vm_area_struct *area)
{
- struct snd_pcm_runtime *runtime;
long size;
if (!(area->vm_flags & VM_READ))
return -EINVAL;
- runtime = substream->runtime;
size = area->vm_end - area->vm_start;
if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status)))
return -EINVAL;
@@ -3054,11 +3048,9 @@ static const struct vm_operations_struct snd_pcm_vm_ops_control =
static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file *file,
struct vm_area_struct *area)
{
- struct snd_pcm_runtime *runtime;
long size;
if (!(area->vm_flags & VM_READ))
return -EINVAL;
- runtime = substream->runtime;
size = area->vm_end - area->vm_start;
if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)))
return -EINVAL;
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
index e7a8e9e..f907736 100644
--- a/sound/core/seq/seq_queue.c
+++ b/sound/core/seq/seq_queue.c
@@ -467,13 +467,11 @@ int snd_seq_queue_timer_open(int queueid)
int snd_seq_queue_timer_close(int queueid)
{
struct snd_seq_queue *queue;
- struct snd_seq_timer *tmr;
int result = 0;
queue = queueptr(queueid);
if (queue == NULL)
return -EINVAL;
- tmr = queue->timer;
snd_seq_timer_close(queue);
queuefree(queue);
return result;
--
1.7.5.1
--
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