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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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,