[ALSA] Replace with kzalloc() - core stuff

Control Midlevel,ALSA Core,HWDEP Midlevel,PCM Midlevel,RawMidi Midlevel
Timer Midlevel,ALSA<-OSS emulation
Replace kcalloc(1,..) with kzalloc().

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

sound/core/control.c

@@ -69,7 +69,7 @@ static int snd_ctl_open(struct inode *inode, struct file *file)
 		err = -EFAULT;
 		goto __error2;
 	}
-	ctl = kcalloc(1, sizeof(*ctl), GFP_KERNEL);
+	ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
 	if (ctl == NULL) {
 		err = -ENOMEM;
 		goto __error;
@@ -162,7 +162,7 @@ void snd_ctl_notify(snd_card_t *card, unsigned int mask, snd_ctl_elem_id_t *id)
 				goto _found;
 			}
 		}
-		ev = kcalloc(1, sizeof(*ev), GFP_ATOMIC);
+		ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
 		if (ev) {
 			ev->id = *id;
 			ev->mask = mask;
@@ -195,7 +195,7 @@ snd_kcontrol_t *snd_ctl_new(snd_kcontrol_t * control, unsigned int access)
 	
 	snd_runtime_check(control != NULL, return NULL);
 	snd_runtime_check(control->count > 0, return NULL);
-	kctl = kcalloc(1, sizeof(*kctl) + sizeof(snd_kcontrol_volatile_t) * control->count, GFP_KERNEL);
+	kctl = kzalloc(sizeof(*kctl) + sizeof(snd_kcontrol_volatile_t) * control->count, GFP_KERNEL);
 	if (kctl == NULL)
 		return NULL;
 	*kctl = *control;
@@ -521,7 +521,7 @@ static int snd_ctl_card_info(snd_card_t * card, snd_ctl_file_t * ctl,
 {
 	snd_ctl_card_info_t *info;
 
-	info = kcalloc(1, sizeof(*info), GFP_KERNEL);
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (! info)
 		return -ENOMEM;
 	down_read(&snd_ioctl_rwsem);
@@ -929,7 +929,7 @@ static int snd_ctl_elem_add(snd_ctl_file_t *file, snd_ctl_elem_info_t *info, int
 		return -EINVAL;
 	}
 	private_size *= info->count;
-	ue = kcalloc(1, sizeof(struct user_element) + private_size, GFP_KERNEL);
+	ue = kzalloc(sizeof(struct user_element) + private_size, GFP_KERNEL);
 	if (ue == NULL)
 		return -ENOMEM;
 	ue->info = *info;
@@ -1185,7 +1185,7 @@ static int _snd_ctl_register_ioctl(snd_kctl_ioctl_func_t fcn, struct list_head *
 {
 	snd_kctl_ioctl_t *pn;
 
-	pn = kcalloc(1, sizeof(snd_kctl_ioctl_t), GFP_KERNEL);
+	pn = kzalloc(sizeof(snd_kctl_ioctl_t), GFP_KERNEL);
 	if (pn == NULL)
 		return -ENOMEM;
 	pn->fioctl = fcn;

sound/core/control_compat.c

@@ -92,7 +92,7 @@ static int snd_ctl_elem_info_compat(snd_ctl_file_t *ctl, struct sndrv_ctl_elem_i
 	struct sndrv_ctl_elem_info *data;
 	int err;
 
-	data = kcalloc(1, sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (! data)
 		return -ENOMEM;
 
@@ -271,7 +271,7 @@ static int snd_ctl_elem_read_user_compat(snd_card_t *card,
 	struct sndrv_ctl_elem_value *data;
 	int err, type, count;
 
-	data = kcalloc(1, sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (data == NULL)
 		return -ENOMEM;
 
@@ -291,7 +291,7 @@ static int snd_ctl_elem_write_user_compat(snd_ctl_file_t *file,
 	struct sndrv_ctl_elem_value *data;
 	int err, type, count;
 
-	data = kcalloc(1, sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (data == NULL)
 		return -ENOMEM;
 
@@ -313,7 +313,7 @@ static int snd_ctl_elem_add_compat(snd_ctl_file_t *file,
 	struct sndrv_ctl_elem_info *data;
 	int err;
 
-	data = kcalloc(1, sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (! data)
 		return -ENOMEM;
 

sound/core/device.c

@@ -49,7 +49,7 @@ int snd_device_new(snd_card_t *card, snd_device_type_t type,
 	snd_assert(card != NULL, return -ENXIO);
 	snd_assert(device_data != NULL, return -ENXIO);
 	snd_assert(ops != NULL, return -ENXIO);
-	dev = kcalloc(1, sizeof(*dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (dev == NULL)
 		return -ENOMEM;
 	dev->card = card;

sound/core/hwdep.c

@@ -359,7 +359,7 @@ int snd_hwdep_new(snd_card_t * card, char *id, int device, snd_hwdep_t ** rhwdep
 	snd_assert(rhwdep != NULL, return -EINVAL);
 	*rhwdep = NULL;
 	snd_assert(card != NULL, return -ENXIO);
-	hwdep = kcalloc(1, sizeof(*hwdep), GFP_KERNEL);
+	hwdep = kzalloc(sizeof(*hwdep), GFP_KERNEL);
 	if (hwdep == NULL)
 		return -ENOMEM;
 	hwdep->card = card;

sound/core/info.c

@@ -295,7 +295,7 @@ static int snd_info_entry_open(struct inode *inode, struct file *file)
 		    	goto __error;
 		}
 	}
-	data = kcalloc(1, sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (data == NULL) {
 		err = -ENOMEM;
 		goto __error;
@@ -304,7 +304,7 @@ static int snd_info_entry_open(struct inode *inode, struct file *file)
 	switch (entry->content) {
 	case SNDRV_INFO_CONTENT_TEXT:
 		if (mode == O_RDONLY || mode == O_RDWR) {
-			buffer = kcalloc(1, sizeof(*buffer), GFP_KERNEL);
+			buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
 			if (buffer == NULL) {
 				kfree(data);
 				err = -ENOMEM;
@@ -323,7 +323,7 @@ static int snd_info_entry_open(struct inode *inode, struct file *file)
 			data->rbuffer = buffer;
 		}
 		if (mode == O_WRONLY || mode == O_RDWR) {
-			buffer = kcalloc(1, sizeof(*buffer), GFP_KERNEL);
+			buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
 			if (buffer == NULL) {
 				if (mode == O_RDWR) {
 					vfree(data->rbuffer->buffer);
@@ -752,7 +752,7 @@ char *snd_info_get_str(char *dest, char *src, int len)
 static snd_info_entry_t *snd_info_create_entry(const char *name)
 {
 	snd_info_entry_t *entry;
-	entry = kcalloc(1, sizeof(*entry), GFP_KERNEL);
+	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
 	if (entry == NULL)
 		return NULL;
 	entry->name = kstrdup(name, GFP_KERNEL);

sound/core/init.c

@@ -72,7 +72,7 @@ snd_card_t *snd_card_new(int idx, const char *xid,
 
 	if (extra_size < 0)
 		extra_size = 0;
-	card = kcalloc(1, sizeof(*card) + extra_size, GFP_KERNEL);
+	card = kzalloc(sizeof(*card) + extra_size, GFP_KERNEL);
 	if (card == NULL)
 		return NULL;
 	if (xid) {
@@ -702,7 +702,7 @@ static int snd_generic_device_register(snd_card_t *card)
 	if (card->generic_dev)
 		return 0; /* already registered */
 
-	dev = kcalloc(1, sizeof(*dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (! dev) {
 		snd_printk(KERN_ERR "can't allocate generic_device\n");
 		return -ENOMEM;

sound/core/oss/mixer_oss.c

@@ -53,7 +53,7 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file)
 	err = snd_card_file_add(card, file);
 	if (err < 0)
 		return err;
-	fmixer = kcalloc(1, sizeof(*fmixer), GFP_KERNEL);
+	fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL);
 	if (fmixer == NULL) {
 		snd_card_file_remove(card, file);
 		return -ENOMEM;
@@ -517,8 +517,8 @@ static void snd_mixer_oss_get_volume1_vol(snd_mixer_oss_file_t *fmixer,
 		up_read(&card->controls_rwsem);
 		return;
 	}
-	uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
-	uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+	uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
 	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -551,8 +551,8 @@ static void snd_mixer_oss_get_volume1_sw(snd_mixer_oss_file_t *fmixer,
 		up_read(&card->controls_rwsem);
 		return;
 	}
-	uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
-	uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+	uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
 	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -612,8 +612,8 @@ static void snd_mixer_oss_put_volume1_vol(snd_mixer_oss_file_t *fmixer,
 	down_read(&card->controls_rwsem);
 	if ((kctl = snd_ctl_find_numid(card, numid)) == NULL)
 		return;
-	uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
-	uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+	uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
 	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -649,8 +649,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer,
 		up_read(&fmixer->card->controls_rwsem);
 		return;
 	}
-	uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
-	uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+	uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
 	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
@@ -768,8 +768,8 @@ static int snd_mixer_oss_get_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
 	snd_ctl_elem_value_t *uctl;
 	int err, idx;
 	
-	uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
-	uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+	uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL) {
 		err = -ENOMEM;
 		goto __unlock;
@@ -813,8 +813,8 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
 	int err;
 	unsigned int idx;
 
-	uinfo = kcalloc(1, sizeof(*uinfo), GFP_KERNEL);
-	uctl = kcalloc(1, sizeof(*uctl), GFP_KERNEL);
+	uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
+	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL) {
 		err = -ENOMEM;
 		goto __unlock;

sound/core/oss/pcm_oss.c

@@ -1740,7 +1740,7 @@ static int snd_pcm_oss_open_file(struct file *file,
 	snd_assert(rpcm_oss_file != NULL, return -EINVAL);
 	*rpcm_oss_file = NULL;
 
-	pcm_oss_file = kcalloc(1, sizeof(*pcm_oss_file), GFP_KERNEL);
+	pcm_oss_file = kzalloc(sizeof(*pcm_oss_file), GFP_KERNEL);
 	if (pcm_oss_file == NULL)
 		return -ENOMEM;
 

sound/core/oss/pcm_plugin.c

@@ -171,7 +171,7 @@ int snd_pcm_plugin_build(snd_pcm_plug_t *plug,
 	
 	snd_assert(plug != NULL, return -ENXIO);
 	snd_assert(src_format != NULL && dst_format != NULL, return -ENXIO);
-	plugin = kcalloc(1, sizeof(*plugin) + extra, GFP_KERNEL);
+	plugin = kzalloc(sizeof(*plugin) + extra, GFP_KERNEL);
 	if (plugin == NULL)
 		return -ENOMEM;
 	plugin->name = name;

sound/core/pcm.c

@@ -597,7 +597,7 @@ int snd_pcm_new_stream(snd_pcm_t *pcm, int stream, int substream_count)
 	}
 	prev = NULL;
 	for (idx = 0, prev = NULL; idx < substream_count; idx++) {
-		substream = kcalloc(1, sizeof(*substream), GFP_KERNEL);
+		substream = kzalloc(sizeof(*substream), GFP_KERNEL);
 		if (substream == NULL)
 			return -ENOMEM;
 		substream->pcm = pcm;
@@ -657,7 +657,7 @@ int snd_pcm_new(snd_card_t * card, char *id, int device,
 	snd_assert(rpcm != NULL, return -EINVAL);
 	*rpcm = NULL;
 	snd_assert(card != NULL, return -ENXIO);
-	pcm = kcalloc(1, sizeof(*pcm), GFP_KERNEL);
+	pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
 	if (pcm == NULL)
 		return -ENOMEM;
 	pcm->card = card;
@@ -795,7 +795,7 @@ int snd_pcm_open_substream(snd_pcm_t *pcm, int stream,
 	if (substream == NULL)
 		return -EAGAIN;
 
-	runtime = kcalloc(1, sizeof(*runtime), GFP_KERNEL);
+	runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);
 	if (runtime == NULL)
 		return -ENOMEM;
 

sound/core/pcm_memory.c

@@ -321,7 +321,7 @@ int snd_pcm_lib_malloc_pages(snd_pcm_substream_t *substream, size_t size)
 	if (substream->dma_buffer.area != NULL && substream->dma_buffer.bytes >= size) {
 		dmab = &substream->dma_buffer; /* use the pre-allocated buffer */
 	} else {
-		dmab = kcalloc(1, sizeof(*dmab), GFP_KERNEL);
+		dmab = kzalloc(sizeof(*dmab), GFP_KERNEL);
 		if (! dmab)
 			return -ENOMEM;
 		dmab->dev = substream->dma_buffer.dev;

sound/core/pcm_native.c

@@ -2001,7 +2001,7 @@ static int snd_pcm_open_file(struct file *file,
 	snd_assert(rpcm_file != NULL, return -EINVAL);
 	*rpcm_file = NULL;
 
-	pcm_file = kcalloc(1, sizeof(*pcm_file), GFP_KERNEL);
+	pcm_file = kzalloc(sizeof(*pcm_file), GFP_KERNEL);
 	if (pcm_file == NULL) {
 		return -ENOMEM;
 	}

sound/core/rawmidi.c

@@ -101,7 +101,7 @@ static int snd_rawmidi_runtime_create(snd_rawmidi_substream_t * substream)
 {
 	snd_rawmidi_runtime_t *runtime;
 
-	if ((runtime = kcalloc(1, sizeof(*runtime), GFP_KERNEL)) == NULL)
+	if ((runtime = kzalloc(sizeof(*runtime), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
 	spin_lock_init(&runtime->lock);
 	init_waitqueue_head(&runtime->sleep);
@@ -1374,7 +1374,7 @@ static int snd_rawmidi_alloc_substreams(snd_rawmidi_t *rmidi,
 
 	INIT_LIST_HEAD(&stream->substreams);
 	for (idx = 0; idx < count; idx++) {
-		substream = kcalloc(1, sizeof(*substream), GFP_KERNEL);
+		substream = kzalloc(sizeof(*substream), GFP_KERNEL);
 		if (substream == NULL)
 			return -ENOMEM;
 		substream->stream = direction;
@@ -1417,7 +1417,7 @@ int snd_rawmidi_new(snd_card_t * card, char *id, int device,
 	snd_assert(rrawmidi != NULL, return -EINVAL);
 	*rrawmidi = NULL;
 	snd_assert(card != NULL, return -ENXIO);
-	rmidi = kcalloc(1, sizeof(*rmidi), GFP_KERNEL);
+	rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL);
 	if (rmidi == NULL)
 		return -ENOMEM;
 	rmidi->card = card;

sound/core/timer.c

@@ -98,7 +98,7 @@ static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left);
 static snd_timer_instance_t *snd_timer_instance_new(char *owner, snd_timer_t *timer)
 {
 	snd_timer_instance_t *timeri;
-	timeri = kcalloc(1, sizeof(*timeri), GFP_KERNEL);
+	timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);
 	if (timeri == NULL)
 		return NULL;
 	timeri->owner = kstrdup(owner, GFP_KERNEL);
@@ -764,7 +764,7 @@ int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t *
 	snd_assert(tid != NULL, return -EINVAL);
 	snd_assert(rtimer != NULL, return -EINVAL);
 	*rtimer = NULL;
-	timer = kcalloc(1, sizeof(*timer), GFP_KERNEL);
+	timer = kzalloc(sizeof(*timer), GFP_KERNEL);
 	if (timer == NULL)
 		return -ENOMEM;
 	timer->tmr_class = tid->dev_class;
@@ -1017,7 +1017,7 @@ static int snd_timer_register_system(void)
 		return err;
 	strcpy(timer->name, "system timer");
 	timer->hw = snd_timer_system;
-	priv = kcalloc(1, sizeof(*priv), GFP_KERNEL);
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (priv == NULL) {
 		snd_timer_free(timer);
 		return -ENOMEM;
@@ -1202,7 +1202,7 @@ static int snd_timer_user_open(struct inode *inode, struct file *file)
 {
 	snd_timer_user_t *tu;
 	
-	tu = kcalloc(1, sizeof(*tu), GFP_KERNEL);
+	tu = kzalloc(sizeof(*tu), GFP_KERNEL);
 	if (tu == NULL)
 		return -ENOMEM;
 	spin_lock_init(&tu->qlock);
@@ -1513,7 +1513,7 @@ static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info
 	t = tu->timeri->timer;
 	snd_assert(t != NULL, return -ENXIO);
 
-	info = kcalloc(1, sizeof(*info), GFP_KERNEL);
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (! info)
 		return -ENOMEM;
 	info->card = t->card ? t->card->number : -1;