ALSA: core: remove unused variables.
Luca Tettamanti [Wed, 25 May 2011 20:43:27 +0000 (22:43 +0200)]
Drop a few variables that are never read.

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/core/control.c
sound/core/init.c
sound/core/oss/linear.c
sound/core/pcm_native.c
sound/core/seq/seq_queue.c

index 5d98194..f8c5be4 100644 (file)
@@ -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;
index 30ecad4..2c041bb 100644 (file)
@@ -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;
index 13b3f6f..2045697 100644 (file)
@@ -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
index b597408..1c6be91 100644 (file)
@@ -1527,13 +1527,11 @@ 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 ||
@@ -2065,7 +2063,6 @@ 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)
@@ -2082,7 +2079,6 @@ 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;
        }
@@ -3024,11 +3020,9 @@ 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;
@@ -3063,11 +3057,9 @@ 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;
index e7a8e9e..f907736 100644 (file)
@@ -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;