[ALSA] Conversions from kmalloc+memset to k(z|c)alloc

sound: Conversions from kmalloc+memset to k(c|z)alloc.

Signed-off-by: Panagiotis Issaris <takis@issaris.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

10 files changed, 15 insertions, 29 deletions

diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 71b5080fa66d..75a9505c7445 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -988,13 +988,12 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
         if (ptr->index == 0 && (kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0)) != NULL) {
                 struct snd_ctl_elem_info *uinfo;
 
-                uinfo = kmalloc(sizeof(*uinfo), GFP_KERNEL);
+                uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
                 if (! uinfo) {
                         up_read(&mixer->card->controls_rwsem);
                         return -ENOMEM;
                 }
                         
-                memset(uinfo, 0, sizeof(*uinfo));
                 if (kctl->info(kctl, uinfo)) {
                         up_read(&mixer->card->controls_rwsem);
                         return 0;
diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c
index 4260de90f36f..102ff548ce69 100644
--- a/sound/core/seq/seq_device.c
+++ b/sound/core/seq/seq_device.c
@@ -372,10 +372,9 @@ static struct ops_list * create_driver(char *id)
 {
         struct ops_list *ops;
 
-        ops = kmalloc(sizeof(*ops), GFP_KERNEL);
+        ops = kzalloc(sizeof(*ops), GFP_KERNEL);
         if (ops == NULL)
                 return ops;
-        memset(ops, 0, sizeof(*ops));
 
         /* set up driver entry */
         strlcpy(ops->id, id, sizeof(ops->id));
diff --git a/sound/core/sgbuf.c b/sound/core/sgbuf.c
index 6e4d4ab34632..c30669f14ac0 100644
--- a/sound/core/sgbuf.c
+++ b/sound/core/sgbuf.c
@@ -68,21 +68,18 @@ void *snd_malloc_sgbuf_pages(struct device *device,
 
         dmab->area = NULL;
         dmab->addr = 0;
-        dmab->private_data = sgbuf = kmalloc(sizeof(*sgbuf), GFP_KERNEL);
+        dmab->private_data = sgbuf = kzalloc(sizeof(*sgbuf), GFP_KERNEL);
         if (! sgbuf)
                 return NULL;
-        memset(sgbuf, 0, sizeof(*sgbuf));
         sgbuf->dev = device;
         pages = snd_sgbuf_aligned_pages(size);
         sgbuf->tblsize = sgbuf_align_table(pages);
-        sgbuf->table = kmalloc(sizeof(*sgbuf->table) * sgbuf->tblsize, GFP_KERNEL);
+        sgbuf->table = kcalloc(sgbuf->tblsize, sizeof(*sgbuf->table), GFP_KERNEL);
         if (! sgbuf->table)
                 goto _failed;
-        memset(sgbuf->table, 0, sizeof(*sgbuf->table) * sgbuf->tblsize);
-        sgbuf->page_table = kmalloc(sizeof(*sgbuf->page_table) * sgbuf->tblsize, GFP_KERNEL);
+        sgbuf->page_table = kcalloc(sgbuf->tblsize, sizeof(*sgbuf->page_table), GFP_KERNEL);
         if (! sgbuf->page_table)
                 goto _failed;
-        memset(sgbuf->page_table, 0, sizeof(*sgbuf->page_table) * sgbuf->tblsize);
 
         /* allocate each page */
         for (i = 0; i < pages; i++) {
diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c
index c4af84995d05..7e65a103fbb2 100644
--- a/sound/drivers/vx/vx_pcm.c
+++ b/sound/drivers/vx/vx_pcm.c
@@ -1252,18 +1252,15 @@ static int vx_init_audio_io(struct vx_core *chip)
         chip->audio_info = rmh.Stat[1];
 
         /* allocate pipes */
-        chip->playback_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_outs, GFP_KERNEL);
+        chip->playback_pipes = kcalloc(chip->audio_outs, sizeof(struct vx_pipe *), GFP_KERNEL);
         if (!chip->playback_pipes)
                 return -ENOMEM;
-        chip->capture_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_ins, GFP_KERNEL);
+        chip->capture_pipes = kcalloc(chip->audio_ins, sizeof(struct vx_pipe *), GFP_KERNEL);
         if (!chip->capture_pipes) {
                 kfree(chip->playback_pipes);
                 return -ENOMEM;
         }
 
-        memset(chip->playback_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_outs);
-        memset(chip->capture_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_ins);
-
         preferred = chip->ibl.size;
         chip->ibl.size = 0;
         vx_set_ibl(chip, &chip->ibl); /* query the info */
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index 27a8dbe6f6a8..c3dafa29054f 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -236,9 +236,9 @@ static int pcm_open(struct snd_pcm_substream *substream,
         chip = snd_pcm_substream_chip(substream);
         runtime = substream->runtime;
 
-        if (!(pipe = kmalloc(sizeof(struct audiopipe), GFP_KERNEL)))
+        pipe = kzalloc(sizeof(struct audiopipe), GFP_KERNEL);
+        if (!pipe)
                 return -ENOMEM;
-        memset(pipe, 0, sizeof(struct audiopipe));
         pipe->index = -1;               /* Not configured yet */
 
         /* Set up hw capabilities and contraints */
diff --git a/sound/ppc/awacs.c b/sound/ppc/awacs.c
index 82d791be7499..05dabe454658 100644
--- a/sound/ppc/awacs.c
+++ b/sound/ppc/awacs.c
@@ -801,11 +801,10 @@ snd_pmac_awacs_init(struct snd_pmac *chip)
         chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf;
 #ifdef PMAC_AMP_AVAIL
         if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) {
-                struct awacs_amp *amp = kmalloc(sizeof(*amp), GFP_KERNEL);
+                struct awacs_amp *amp = kzalloc(sizeof(*amp), GFP_KERNEL);
                 if (! amp)
                         return -ENOMEM;
                 chip->mixer_data = amp;
-                memset(amp, 0, sizeof(*amp));
                 chip->mixer_free = awacs_amp_free;
                 awacs_amp_set_vol(amp, 0, 63, 63, 0); /* mute and zero vol */
                 awacs_amp_set_vol(amp, 1, 63, 63, 0);
diff --git a/sound/ppc/daca.c b/sound/ppc/daca.c
index 46eebf5610e3..57202b0f033e 100644
--- a/sound/ppc/daca.c
+++ b/sound/ppc/daca.c
@@ -258,10 +258,9 @@ int __init snd_pmac_daca_init(struct snd_pmac *chip)
                 request_module("i2c-powermac");
 #endif /* CONFIG_KMOD */        
 
-        mix = kmalloc(sizeof(*mix), GFP_KERNEL);
+        mix = kzalloc(sizeof(*mix), GFP_KERNEL);
         if (! mix)
                 return -ENOMEM;
-        memset(mix, 0, sizeof(*mix));
         chip->mixer_data = mix;
         chip->mixer_free = daca_cleanup;
         mix->amp_on = 1; /* default on */
diff --git a/sound/ppc/keywest.c b/sound/ppc/keywest.c
index fb05938dcbd9..59482a4cd446 100644
--- a/sound/ppc/keywest.c
+++ b/sound/ppc/keywest.c
@@ -64,11 +64,10 @@ static int keywest_attach_adapter(struct i2c_adapter *adapter)
         if (strncmp(i2c_device_name(adapter), "mac-io", 6))
                 return 0; /* ignored */
 
-        new_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        new_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
         if (! new_client)
                 return -ENOMEM;
 
-        memset(new_client, 0, sizeof(*new_client));
         new_client->addr = keywest_ctx->addr;
         i2c_set_clientdata(new_client, keywest_ctx);
         new_client->adapter = adapter;
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 692c61177678..84f6b19c07ca 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -1316,10 +1316,9 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
                 request_module("i2c-powermac");
 #endif /* CONFIG_KMOD */        
 
-        mix = kmalloc(sizeof(*mix), GFP_KERNEL);
+        mix = kzalloc(sizeof(*mix), GFP_KERNEL);
         if (! mix)
                 return -ENOMEM;
-        memset(mix, 0, sizeof(*mix));
         mix->headphone_irq = -1;
 
         chip->mixer_data = mix;
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index d32d83d970cc..1b7f499c549d 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2260,10 +2260,9 @@ static int add_audio_endpoint(struct snd_usb_audio *chip, int stream, struct aud
         }
 
         /* create a new pcm */
-        as = kmalloc(sizeof(*as), GFP_KERNEL);
+        as = kzalloc(sizeof(*as), GFP_KERNEL);
         if (! as)
                 return -ENOMEM;
-        memset(as, 0, sizeof(*as));
         as->pcm_index = chip->pcm_devs;
         as->chip = chip;
         as->fmt_type = fp->fmt_type;
@@ -2633,13 +2632,12 @@ static int parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
                         csep = NULL;
                 }
 
-                fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+                fp = kzalloc(sizeof(*fp), GFP_KERNEL);
                 if (! fp) {
                         snd_printk(KERN_ERR "cannot malloc\n");
                         return -ENOMEM;
                 }
 
-                memset(fp, 0, sizeof(*fp));
                 fp->iface = iface_no;
                 fp->altsetting = altno;
                 fp->altset_idx = i;