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[PATCH] OSS: replace kmalloc()+memset() combos with kzalloc()

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Replace kmalloc() + memset() pairs with the appropriate kzalloc() calls.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Robert P. J. Day 2007-02-14 00:33:16 -08:00 committed by Linus Torvalds
parent cd354f1ae7
commit 3159f06dc2
19 changed files with 32 additions and 65 deletions
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3
sound/oss/ac97_codec.c
View file

@ -744,11 +744,10 @@ static int ac97_check_modem(struct ac97_codec *codec)
struct ac97_codec *ac97_alloc_codec(void)
{
struct ac97_codec *codec = kmalloc(sizeof(struct ac97_codec), GFP_KERNEL);
struct ac97_codec *codec = kzalloc(sizeof(struct ac97_codec), GFP_KERNEL);
if(!codec)
return NULL;
memset(codec, 0, sizeof(*codec));
spin_lock_init(&codec->lock);
INIT_LIST_HEAD(&codec->list);
return codec;

3
sound/oss/ad1889.c
View file

@ -230,9 +230,8 @@ static ad1889_dev_t *ad1889_alloc_dev(struct pci_dev *pci)
struct dmabuf *dmabuf;
int i;
if ((dev = kmalloc(sizeof(ad1889_dev_t), GFP_KERNEL)) == NULL)
if ((dev = kzalloc(sizeof(ad1889_dev_t), GFP_KERNEL)) == NULL)
return NULL;
memset(dev, 0, sizeof(ad1889_dev_t));
spin_lock_init(&dev->lock);
dev->pci = pci;

3
sound/oss/btaudio.c
View file

@ -915,12 +915,11 @@ static int __devinit btaudio_probe(struct pci_dev *pci_dev,
return -EBUSY;
}
bta = kmalloc(sizeof(*bta),GFP_ATOMIC);
bta = kzalloc(sizeof(*bta),GFP_ATOMIC);
if (!bta) {
rc = -ENOMEM;
goto fail0;
}
memset(bta,0,sizeof(*bta));
bta->pci = pci_dev;
bta->irq = pci_dev->irq;

9
sound/oss/cs46xx.c
View file

@ -3048,10 +3048,9 @@ static int cs_open(struct inode *inode, struct file *file)
CS_DBGOUT(CS_WAVE_READ, 2, printk("cs46xx: cs_open() FMODE_READ\n") );
if (card->states[0] == NULL) {
state = card->states[0] =
kmalloc(sizeof(struct cs_state), GFP_KERNEL);
kzalloc(sizeof(struct cs_state), GFP_KERNEL);
if (state == NULL)
return -ENOMEM;
memset(state, 0, sizeof(struct cs_state));
mutex_init(&state->sem);
dmabuf = &state->dmabuf;
dmabuf->pbuf = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
@ -3114,10 +3113,9 @@ static int cs_open(struct inode *inode, struct file *file)
CS_DBGOUT(CS_OPEN, 2, printk("cs46xx: cs_open() FMODE_WRITE\n") );
if (card->states[1] == NULL) {
state = card->states[1] =
kmalloc(sizeof(struct cs_state), GFP_KERNEL);
kzalloc(sizeof(struct cs_state), GFP_KERNEL);
if (state == NULL)
return -ENOMEM;
memset(state, 0, sizeof(struct cs_state));
mutex_init(&state->sem);
dmabuf = &state->dmabuf;
dmabuf->pbuf = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
@ -5075,11 +5073,10 @@ static int __devinit cs46xx_probe(struct pci_dev *pci_dev,
pci_read_config_word(pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &ss_vendor);
pci_read_config_word(pci_dev, PCI_SUBSYSTEM_ID, &ss_card);
if ((card = kmalloc(sizeof(struct cs_card), GFP_KERNEL)) == NULL) {
if ((card = kzalloc(sizeof(struct cs_card), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "cs46xx: out of memory\n");
return -ENOMEM;
}
memset(card, 0, sizeof(*card));
card->ba0_addr = RSRCADDRESS(pci_dev, 0);
card->ba1_addr = RSRCADDRESS(pci_dev, 1);
card->pci_dev = pci_dev;

3
sound/oss/dmasound/dac3550a.c
View file

@ -163,10 +163,9 @@ static int daca_detect_client(struct i2c_adapter *adapter, int address)
struct i2c_client *new_client;
int rc = -ENODEV;
new_client = kmalloc(sizeof(*new_client), GFP_KERNEL);
new_client = kzalloc(sizeof(*new_client), GFP_KERNEL);
if (!new_client)
return -ENOMEM;
memset(new_client, 0, sizeof(*new_client));
new_client->addr = address;
new_client->adapter = adapter;

3
sound/oss/dmasound/tas3001c.c
View file

@ -807,10 +807,9 @@ tas3001c_init(struct i2c_client *client)
size_t sz = sizeof(*self) + (TAS3001C_REG_MAX*sizeof(tas_shadow_t));
int i, j;
self = kmalloc(sz, GFP_KERNEL);
self = kzalloc(sz, GFP_KERNEL);
if (!self)
return -ENOMEM;
memset(self, 0, sz);
self->super.client = client;
self->super.shadow = (tas_shadow_t *)(self+1);

3
sound/oss/dmasound/tas3004.c
View file

@ -1092,10 +1092,9 @@ tas3004_init(struct i2c_client *client)
char mcr2 = 0;
int i, j;
self = kmalloc(sz, GFP_KERNEL);
self = kzalloc(sz, GFP_KERNEL);
if (!self)
return -ENOMEM;
memset(self, 0, sz);
self->super.client = client;
self->super.shadow = (tas_shadow_t *)(self+1);

3
sound/oss/dmasound/tas_common.c
View file

@ -135,10 +135,9 @@ tas_detect_client(struct i2c_adapter *adapter, int address)
return -ENODEV;
}
new_client = kmalloc(sizeof(*new_client), GFP_KERNEL);
new_client = kzalloc(sizeof(*new_client), GFP_KERNEL);
if (!new_client)
return -ENOMEM;
memset(new_client, 0, sizeof(*new_client));
new_client->addr = address;
new_client->adapter = adapter;

11
sound/oss/emu10k1/main.c
View file

@ -455,15 +455,13 @@ static int __devinit emu10k1_midi_init(struct emu10k1_card *card)
{
int ret;
card->mpuout = kmalloc(sizeof(struct emu10k1_mpuout), GFP_KERNEL);
card->mpuout = kzalloc(sizeof(struct emu10k1_mpuout), GFP_KERNEL);
if (card->mpuout == NULL) {
printk(KERN_WARNING "emu10k1: Unable to allocate emu10k1_mpuout: out of memory\n");
ret = -ENOMEM;
goto err_out1;
}
memset(card->mpuout, 0, sizeof(struct emu10k1_mpuout));
card->mpuout->intr = 1;
card->mpuout->status = FLAGS_AVAILABLE;
card->mpuout->state = CARDMIDIOUT_STATE_DEFAULT;
@ -472,15 +470,13 @@ static int __devinit emu10k1_midi_init(struct emu10k1_card *card)
spin_lock_init(&card->mpuout->lock);
card->mpuin = kmalloc(sizeof(struct emu10k1_mpuin), GFP_KERNEL);
card->mpuin = kzalloc(sizeof(struct emu10k1_mpuin), GFP_KERNEL);
if (card->mpuin == NULL) {
printk(KERN_WARNING "emu10k1: Unable to allocate emu10k1_mpuin: out of memory\n");
ret = -ENOMEM;
goto err_out2;
}
memset(card->mpuin, 0, sizeof(struct emu10k1_mpuin));
card->mpuin->status = FLAGS_AVAILABLE;
tasklet_init(&card->mpuin->tasklet, emu10k1_mpuin_bh, (unsigned long) card->mpuin);
@ -1280,11 +1276,10 @@ static int __devinit emu10k1_probe(struct pci_dev *pci_dev, const struct pci_dev
pci_set_master(pci_dev);
if ((card = kmalloc(sizeof(struct emu10k1_card), GFP_KERNEL)) == NULL) {
if ((card = kzalloc(sizeof(struct emu10k1_card), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "emu10k1: out of memory\n");
return -ENOMEM;
}
memset(card, 0, sizeof(struct emu10k1_card));
card->iobase = pci_resource_start(pci_dev, 0);
card->length = pci_resource_len(pci_dev, 0);

3
sound/oss/es1371.c
View file

@ -2871,11 +2871,10 @@ static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_devic
printk(KERN_WARNING "es1371: architecture does not support 32bit PCI busmaster DMA\n");
return i;
}
if (!(s = kmalloc(sizeof(struct es1371_state), GFP_KERNEL))) {
if (!(s = kzalloc(sizeof(struct es1371_state), GFP_KERNEL))) {
printk(KERN_WARNING PFX "out of memory\n");
return -ENOMEM;
}
memset(s, 0, sizeof(struct es1371_state));
s->codec = ac97_alloc_codec();
if(s->codec == NULL)

3
sound/oss/hal2.c
View file

@ -1435,10 +1435,9 @@ static int hal2_init_card(struct hal2_card **phal2, struct hpc3_regs *hpc3)
int ret = 0;
struct hal2_card *hal2;
hal2 = kmalloc(sizeof(struct hal2_card), GFP_KERNEL);
hal2 = kzalloc(sizeof(struct hal2_card), GFP_KERNEL);
if (!hal2)
return -ENOMEM;
memset(hal2, 0, sizeof(struct hal2_card));
hal2->ctl_regs = (struct hal2_ctl_regs *)hpc3->pbus_extregs[0];
hal2->aes_regs = (struct hal2_aes_regs *)hpc3->pbus_extregs[1];

9
sound/oss/i810_audio.c
View file

@ -2580,10 +2580,9 @@ static int i810_open(struct inode *inode, struct file *file)
for (i = 0; i < NR_HW_CH && card && !card->initializing; i++) {
if (card->states[i] == NULL) {
state = card->states[i] = (struct i810_state *)
kmalloc(sizeof(struct i810_state), GFP_KERNEL);
kzalloc(sizeof(struct i810_state), GFP_KERNEL);
if (state == NULL)
return -ENOMEM;
memset(state, 0, sizeof(struct i810_state));
dmabuf = &state->dmabuf;
goto found_virt;
}
@ -3205,10 +3204,9 @@ static void __devinit i810_configure_clocking (void)
*/
if(card != NULL) {
state = card->states[0] = (struct i810_state *)
kmalloc(sizeof(struct i810_state), GFP_KERNEL);
kzalloc(sizeof(struct i810_state), GFP_KERNEL);
if (state == NULL)
return;
memset(state, 0, sizeof(struct i810_state));
dmabuf = &state->dmabuf;
dmabuf->write_channel = card->alloc_pcm_channel(card);
@ -3273,11 +3271,10 @@ static int __devinit i810_probe(struct pci_dev *pci_dev, const struct pci_device
return -ENODEV;
}
if ((card = kmalloc(sizeof(struct i810_card), GFP_KERNEL)) == NULL) {
if ((card = kzalloc(sizeof(struct i810_card), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "i810_audio: out of memory\n");
return -ENOMEM;
}
memset(card, 0, sizeof(*card));
card->initializing = 1;
card->pci_dev = pci_dev;

3
sound/oss/kahlua.c
View file

@ -139,13 +139,12 @@ static int __devinit probe_one(struct pci_dev *pdev, const struct pci_device_id
printk(KERN_INFO "kahlua: XpressAudio on IRQ %d, DMA %d, %d\n",
irq, dma8, dma16);
hw_config = kmalloc(sizeof(struct address_info), GFP_KERNEL);
hw_config = kzalloc(sizeof(struct address_info), GFP_KERNEL);
if(hw_config == NULL)
{
printk(KERN_ERR "kahlua: out of memory.\n");
return 1;
}
memset(hw_config, 0, sizeof(*hw_config));
pci_set_drvdata(pdev, hw_config);

3
sound/oss/nec_vrc5477.c
View file

@ -1860,11 +1860,10 @@ static int __devinit vrc5477_ac97_probe(struct pci_dev *pcidev,
if (pcidev->irq == 0)
return -1;
if (!(s = kmalloc(sizeof(struct vrc5477_ac97_state), GFP_KERNEL))) {
if (!(s = kzalloc(sizeof(struct vrc5477_ac97_state), GFP_KERNEL))) {
printk(KERN_ERR PFX "alloc of device struct failed\n");
return -1;
}
memset(s, 0, sizeof(struct vrc5477_ac97_state));
init_waitqueue_head(&s->dma_adc.wait);
init_waitqueue_head(&s->dma_dac.wait);

3
sound/oss/opl3.c
View file

@ -166,7 +166,7 @@ int opl3_detect(int ioaddr, int *osp)
return 0;
}
devc = kmalloc(sizeof(*devc), GFP_KERNEL);
devc = kzalloc(sizeof(*devc), GFP_KERNEL);
if (devc == NULL)
{
@ -175,7 +175,6 @@ int opl3_detect(int ioaddr, int *osp)
return 0;
}
memset(devc, 0, sizeof(*devc));
strcpy(devc->fm_info.name, "OPL2");
if (!request_region(ioaddr, 4, devc->fm_info.name)) {

6
sound/oss/sb_card.c
View file

@ -137,11 +137,10 @@ static int __init sb_init_legacy(void)
{
struct sb_module_options sbmo = {0};
if((legacy = kmalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
if((legacy = kzalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "sb: Error: Could not allocate memory\n");
return -ENOMEM;
}
memset(legacy, 0, sizeof(struct sb_card_config));
legacy->conf.io_base = io;
legacy->conf.irq = irq;
@ -247,11 +246,10 @@ static int sb_pnp_probe(struct pnp_card_link *card, const struct pnp_card_device
return -EBUSY;
}
if((scc = kmalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
if((scc = kzalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "sb: Error: Could not allocate memory\n");
return -ENOMEM;
}
memset(scc, 0, sizeof(struct sb_card_config));
printk(KERN_INFO "sb: PnP: Found Card Named = \"%s\", Card PnP id = " \
"%s, Device PnP id = %s\n", card->card->name, card_id->id,

13
sound/oss/swarm_cs4297a.c
View file

@ -616,25 +616,23 @@ static int init_serdma(serdma_t *dma)
/* Descriptors */
dma->ringsz = DMA_DESCR;
dma->descrtab = kmalloc(dma->ringsz * sizeof(serdma_descr_t), GFP_KERNEL);
dma->descrtab = kzalloc(dma->ringsz * sizeof(serdma_descr_t), GFP_KERNEL);
if (!dma->descrtab) {
printk(KERN_ERR "cs4297a: kmalloc descrtab failed\n");
printk(KERN_ERR "cs4297a: kzalloc descrtab failed\n");
return -1;
}
memset(dma->descrtab, 0, dma->ringsz * sizeof(serdma_descr_t));
dma->descrtab_end = dma->descrtab + dma->ringsz;
/* XXX bloddy mess, use proper DMA API here ... */
dma->descrtab_phys = CPHYSADDR((long)dma->descrtab);
dma->descr_add = dma->descr_rem = dma->descrtab;
/* Frame buffer area */
dma->dma_buf = kmalloc(DMA_BUF_SIZE, GFP_KERNEL);
dma->dma_buf = kzalloc(DMA_BUF_SIZE, GFP_KERNEL);
if (!dma->dma_buf) {
printk(KERN_ERR "cs4297a: kmalloc dma_buf failed\n");
printk(KERN_ERR "cs4297a: kzalloc dma_buf failed\n");
kfree(dma->descrtab);
return -1;
}
memset(dma->dma_buf, 0, DMA_BUF_SIZE);
dma->dma_buf_phys = CPHYSADDR((long)dma->dma_buf);
/* Samples buffer area */
@ -2619,12 +2617,11 @@ static int __init cs4297a_init(void)
udelay(100);
#endif
if (!(s = kmalloc(sizeof(struct cs4297a_state), GFP_KERNEL))) {
if (!(s = kzalloc(sizeof(struct cs4297a_state), GFP_KERNEL))) {
CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR
"cs4297a: probe() no memory for state struct.\n"));
return -1;
}
memset(s, 0, sizeof(struct cs4297a_state));
s->magic = CS4297a_MAGIC;
init_waitqueue_head(&s->dma_adc.wait);
init_waitqueue_head(&s->dma_dac.wait);

9
sound/oss/trident.c
View file

@ -2729,12 +2729,11 @@ trident_open(struct inode *inode, struct file *file)
}
for (i = 0; i < NR_HW_CH; i++) {
if (card->states[i] == NULL) {
state = card->states[i] = kmalloc(sizeof(*state), GFP_KERNEL);
state = card->states[i] = kzalloc(sizeof(*state), GFP_KERNEL);
if (state == NULL) {
mutex_unlock(&card->open_mutex);
return -ENOMEM;
}
memset(state, 0, sizeof(*state));
mutex_init(&state->sem);
dmabuf = &state->dmabuf;
goto found_virt;
@ -3618,7 +3617,7 @@ ali_allocate_other_states_resources(struct trident_state *state, int chan_nums)
}
return -EBUSY;
}
s = card->states[i] = kmalloc(sizeof(*state), GFP_KERNEL);
s = card->states[i] = kzalloc(sizeof(*state), GFP_KERNEL);
if (!s) {
num = ali_multi_channels_5_1[state_count];
ali_free_pcm_channel(card, num);
@ -3630,7 +3629,6 @@ ali_allocate_other_states_resources(struct trident_state *state, int chan_nums)
}
return -ENOMEM;
}
memset(s, 0, sizeof(*state));
s->dmabuf.channel = channel;
s->dmabuf.ossfragshift = s->dmabuf.ossmaxfrags =
@ -4399,11 +4397,10 @@ trident_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id)
}
rc = -ENOMEM;
if ((card = kmalloc(sizeof(*card), GFP_KERNEL)) == NULL) {
if ((card = kzalloc(sizeof(*card), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "trident: out of memory\n");
goto out_release_region;
}
memset(card, 0, sizeof (*card));
init_timer(&card->timer);
card->iobase = iobase;

4
sound/oss/waveartist.c
View file

@ -1267,12 +1267,10 @@ static int __init waveartist_init(wavnc_info *devc)
conf_printf2(dev_name, devc->hw.io_base, devc->hw.irq,
devc->hw.dma, devc->hw.dma2);
portc = kmalloc(sizeof(wavnc_port_info), GFP_KERNEL);
portc = kzalloc(sizeof(wavnc_port_info), GFP_KERNEL);
if (portc == NULL)
goto nomem;
memset(portc, 0, sizeof(wavnc_port_info));
my_dev = sound_install_audiodrv(AUDIO_DRIVER_VERSION, dev_name,
&waveartist_audio_driver, sizeof(struct audio_driver),
devc->audio_flags, AFMT_U8 | AFMT_S16_LE | AFMT_S8,