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[PATCH] s390: kzalloc() conversion in drivers/s390

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Convert all kmalloc + memset sequences in drivers/s390 to kzalloc usage.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Eric Sesterhenn 2006-03-24 03:15:31 -08:00 committed by Linus Torvalds
parent fb630517f0
commit 88abaab4f9
26 changed files with 67 additions and 138 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/s390/block/dasd.c
View File

@ -71,10 +71,9 @@ dasd_alloc_device(void)
{
struct dasd_device *device;
device = kmalloc(sizeof (struct dasd_device), GFP_ATOMIC);
device = kzalloc(sizeof (struct dasd_device), GFP_ATOMIC);
if (device == NULL)
return ERR_PTR(-ENOMEM);
memset(device, 0, sizeof (struct dasd_device));
/* open_count = 0 means device online but not in use */
atomic_set(&device->open_count, -1);
@ -547,29 +546,26 @@ dasd_kmalloc_request(char *magic, int cplength, int datasize,
(cplength*sizeof(struct ccw1)) > PAGE_SIZE)
BUG();
cqr = kmalloc(sizeof(struct dasd_ccw_req), GFP_ATOMIC);
cqr = kzalloc(sizeof(struct dasd_ccw_req), GFP_ATOMIC);
if (cqr == NULL)
return ERR_PTR(-ENOMEM);
memset(cqr, 0, sizeof(struct dasd_ccw_req));
cqr->cpaddr = NULL;
if (cplength > 0) {
cqr->cpaddr = kmalloc(cplength*sizeof(struct ccw1),
cqr->cpaddr = kcalloc(cplength, sizeof(struct ccw1),
GFP_ATOMIC | GFP_DMA);
if (cqr->cpaddr == NULL) {
kfree(cqr);
return ERR_PTR(-ENOMEM);
}
memset(cqr->cpaddr, 0, cplength*sizeof(struct ccw1));
}
cqr->data = NULL;
if (datasize > 0) {
cqr->data = kmalloc(datasize, GFP_ATOMIC | GFP_DMA);
cqr->data = kzalloc(datasize, GFP_ATOMIC | GFP_DMA);
if (cqr->data == NULL) {
kfree(cqr->cpaddr);
kfree(cqr);
return ERR_PTR(-ENOMEM);
}
memset(cqr->data, 0, datasize);
}
strncpy((char *) &cqr->magic, magic, 4);
ASCEBC((char *) &cqr->magic, 4);

3
drivers/s390/block/dcssblk.c
View File

@ -388,12 +388,11 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
/*
* get a struct dcssblk_dev_info
*/
dev_info = kmalloc(sizeof(struct dcssblk_dev_info), GFP_KERNEL);
dev_info = kzalloc(sizeof(struct dcssblk_dev_info), GFP_KERNEL);
if (dev_info == NULL) {
rc = -ENOMEM;
goto out;
}
memset(dev_info, 0, sizeof(struct dcssblk_dev_info));
strcpy(dev_info->segment_name, local_buf);
strlcpy(dev_info->dev.bus_id, local_buf, BUS_ID_SIZE);

3
drivers/s390/char/fs3270.c
View File

@ -368,10 +368,9 @@ fs3270_alloc_view(void)
{
struct fs3270 *fp;
fp = (struct fs3270 *) kmalloc(sizeof(struct fs3270),GFP_KERNEL);
fp = kzalloc(sizeof(struct fs3270),GFP_KERNEL);
if (!fp)
return ERR_PTR(-ENOMEM);
memset(fp, 0, sizeof(struct fs3270));
fp->init = raw3270_request_alloc(0);
if (IS_ERR(fp->init)) {
kfree(fp);

12
drivers/s390/char/keyboard.c
View File

@ -50,14 +50,12 @@ kbd_alloc(void) {
struct kbd_data *kbd;
int i, len;
kbd = kmalloc(sizeof(struct kbd_data), GFP_KERNEL);
kbd = kzalloc(sizeof(struct kbd_data), GFP_KERNEL);
if (!kbd)
goto out;
memset(kbd, 0, sizeof(struct kbd_data));
kbd->key_maps = kmalloc(sizeof(key_maps), GFP_KERNEL);
kbd->key_maps = kzalloc(sizeof(key_maps), GFP_KERNEL);
if (!key_maps)
goto out_kbd;
memset(kbd->key_maps, 0, sizeof(key_maps));
for (i = 0; i < ARRAY_SIZE(key_maps); i++) {
if (key_maps[i]) {
kbd->key_maps[i] =
@ -68,10 +66,9 @@ kbd_alloc(void) {
sizeof(u_short)*NR_KEYS);
}
}
kbd->func_table = kmalloc(sizeof(func_table), GFP_KERNEL);
kbd->func_table = kzalloc(sizeof(func_table), GFP_KERNEL);
if (!kbd->func_table)
goto out_maps;
memset(kbd->func_table, 0, sizeof(func_table));
for (i = 0; i < ARRAY_SIZE(func_table); i++) {
if (func_table[i]) {
len = strlen(func_table[i]) + 1;
@ -82,10 +79,9 @@ kbd_alloc(void) {
}
}
kbd->fn_handler =
kmalloc(sizeof(fn_handler_fn *) * NR_FN_HANDLER, GFP_KERNEL);
kzalloc(sizeof(fn_handler_fn *) * NR_FN_HANDLER, GFP_KERNEL);
if (!kbd->fn_handler)
goto out_func;
memset(kbd->fn_handler, 0, sizeof(fn_handler_fn *) * NR_FN_HANDLER);
kbd->accent_table =
kmalloc(sizeof(struct kbdiacr)*MAX_DIACR, GFP_KERNEL);
if (!kbd->accent_table)

6
drivers/s390/char/monreader.c
View File

@ -257,14 +257,13 @@ mon_alloc_mem(void)
int i,j;
struct mon_private *monpriv;
monpriv = kmalloc(sizeof(struct mon_private), GFP_KERNEL);
monpriv = kzalloc(sizeof(struct mon_private), GFP_KERNEL);
if (!monpriv) {
P_ERROR("no memory for monpriv\n");
return NULL;
}
memset(monpriv, 0, sizeof(struct mon_private));
for (i = 0; i < MON_MSGLIM; i++) {
monpriv->msg_array[i] = kmalloc(sizeof(struct mon_msg),
monpriv->msg_array[i] = kzalloc(sizeof(struct mon_msg),
GFP_KERNEL);
if (!monpriv->msg_array[i]) {
P_ERROR("open, no memory for msg_array\n");
@ -272,7 +271,6 @@ mon_alloc_mem(void)
kfree(monpriv->msg_array[j]);
return NULL;
}
memset(monpriv->msg_array[i], 0, sizeof(struct mon_msg));
}
return monpriv;
}

3
drivers/s390/char/raw3270.c
View File

@ -115,10 +115,9 @@ raw3270_request_alloc(size_t size)
struct raw3270_request *rq;
/* Allocate request structure */
rq = kmalloc(sizeof(struct raw3270_request), GFP_KERNEL | GFP_DMA);
rq = kzalloc(sizeof(struct raw3270_request), GFP_KERNEL | GFP_DMA);
if (!rq)
return ERR_PTR(-ENOMEM);
memset(rq, 0, sizeof(struct raw3270_request));
/* alloc output buffer. */
if (size > 0) {

3
drivers/s390/char/tape_class.c
View File

@ -44,11 +44,10 @@ struct tape_class_device *register_tape_dev(
int rc;
char * s;
tcd = kmalloc(sizeof(struct tape_class_device), GFP_KERNEL);
tcd = kzalloc(sizeof(struct tape_class_device), GFP_KERNEL);
if (!tcd)
return ERR_PTR(-ENOMEM);
memset(tcd, 0, sizeof(struct tape_class_device));
strncpy(tcd->device_name, device_name, TAPECLASS_NAME_LEN);
for (s = strchr(tcd->device_name, '/'); s; s = strchr(s, '/'))
*s = '!';

16
drivers/s390/char/tape_core.c
View File

@ -453,16 +453,14 @@ tape_alloc_device(void)
{
struct tape_device *device;
device = (struct tape_device *)
kmalloc(sizeof(struct tape_device), GFP_KERNEL);
device = kzalloc(sizeof(struct tape_device), GFP_KERNEL);
if (device == NULL) {
DBF_EXCEPTION(2, "ti:no mem\n");
PRINT_INFO ("can't allocate memory for "
"tape info structure\n");
return ERR_PTR(-ENOMEM);
}
memset(device, 0, sizeof(struct tape_device));
device->modeset_byte = (char *) kmalloc(1, GFP_KERNEL | GFP_DMA);
device->modeset_byte = kmalloc(1, GFP_KERNEL | GFP_DMA);
if (device->modeset_byte == NULL) {
DBF_EXCEPTION(2, "ti:no mem\n");
PRINT_INFO("can't allocate memory for modeset byte\n");
@ -659,34 +657,30 @@ tape_alloc_request(int cplength, int datasize)
DBF_LH(6, "tape_alloc_request(%d, %d)\n", cplength, datasize);
request = (struct tape_request *) kmalloc(sizeof(struct tape_request),
GFP_KERNEL);
request = kzalloc(sizeof(struct tape_request), GFP_KERNEL);
if (request == NULL) {
DBF_EXCEPTION(1, "cqra nomem\n");
return ERR_PTR(-ENOMEM);
}
memset(request, 0, sizeof(struct tape_request));
/* allocate channel program */
if (cplength > 0) {
request->cpaddr = kmalloc(cplength*sizeof(struct ccw1),
request->cpaddr = kcalloc(cplength, sizeof(struct ccw1),
GFP_ATOMIC | GFP_DMA);
if (request->cpaddr == NULL) {
DBF_EXCEPTION(1, "cqra nomem\n");
kfree(request);
return ERR_PTR(-ENOMEM);
}
memset(request->cpaddr, 0, cplength*sizeof(struct ccw1));
}
/* alloc small kernel buffer */
if (datasize > 0) {
request->cpdata = kmalloc(datasize, GFP_KERNEL | GFP_DMA);
request->cpdata = kzalloc(datasize, GFP_KERNEL | GFP_DMA);
if (request->cpdata == NULL) {
DBF_EXCEPTION(1, "cqra nomem\n");
kfree(request->cpaddr);
kfree(request);
return ERR_PTR(-ENOMEM);
}
memset(request->cpdata, 0, datasize);
}
DBF_LH(6, "New request %p(%p/%p)\n", request, request->cpaddr,
request->cpdata);

9
drivers/s390/char/tty3270.c
View File

@ -691,10 +691,9 @@ tty3270_alloc_view(void)
struct tty3270 *tp;
int pages;
tp = kmalloc(sizeof(struct tty3270),GFP_KERNEL);
tp = kzalloc(sizeof(struct tty3270), GFP_KERNEL);
if (!tp)
goto out_err;
memset(tp, 0, sizeof(struct tty3270));
tp->freemem_pages =
kmalloc(sizeof(void *) * TTY3270_STRING_PAGES, GFP_KERNEL);
if (!tp->freemem_pages)
@ -767,16 +766,14 @@ tty3270_alloc_screen(struct tty3270 *tp)
int lines;
size = sizeof(struct tty3270_line) * (tp->view.rows - 2);
tp->screen = kmalloc(size, GFP_KERNEL);
tp->screen = kzalloc(size, GFP_KERNEL);
if (!tp->screen)
goto out_err;
memset(tp->screen, 0, size);
for (lines = 0; lines < tp->view.rows - 2; lines++) {
size = sizeof(struct tty3270_cell) * tp->view.cols;
tp->screen[lines].cells = kmalloc(size, GFP_KERNEL);
tp->screen[lines].cells = kzalloc(size, GFP_KERNEL);
if (!tp->screen[lines].cells)
goto out_screen;
memset(tp->screen[lines].cells, 0, size);
}
return 0;
out_screen:

3
drivers/s390/char/vmlogrdr.c
View File

@ -759,9 +759,8 @@ vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) {
struct device *dev;
int ret;
dev = kmalloc(sizeof(struct device), GFP_KERNEL);
dev = kzalloc(sizeof(struct device), GFP_KERNEL);
if (dev) {
memset(dev, 0, sizeof(struct device));
snprintf(dev->bus_id, BUS_ID_SIZE, "%s",
priv->internal_name);
dev->bus = &iucv_bus;

3
drivers/s390/cio/ccwgroup.c
View File

@ -157,11 +157,10 @@ ccwgroup_create(struct device *root,
if (argc > 256) /* disallow dumb users */
return -EINVAL;
gdev = kmalloc(sizeof(*gdev) + argc*sizeof(gdev->cdev[0]), GFP_KERNEL);
gdev = kzalloc(sizeof(*gdev) + argc*sizeof(gdev->cdev[0]), GFP_KERNEL);
if (!gdev)
return -ENOMEM;
memset(gdev, 0, sizeof(*gdev) + argc*sizeof(gdev->cdev[0]));
atomic_set(&gdev->onoff, 0);
del_drvdata = 0;

3
drivers/s390/cio/chsc.c
View File

@ -1403,10 +1403,9 @@ new_channel_path(int chpid)
struct channel_path *chp;
int ret;
chp = kmalloc(sizeof(struct channel_path), GFP_KERNEL);
chp = kzalloc(sizeof(struct channel_path), GFP_KERNEL);
if (!chp)
return -ENOMEM;
memset(chp, 0, sizeof(struct channel_path));
/* fill in status, etc. */
chp->id = chpid;

3
drivers/s390/cio/css.c
View File

@ -630,10 +630,9 @@ css_enqueue_subchannel_slow(struct subchannel_id schid)
struct slow_subchannel *new_slow_sch;
unsigned long flags;
new_slow_sch = kmalloc(sizeof(struct slow_subchannel), GFP_ATOMIC);
new_slow_sch = kzalloc(sizeof(struct slow_subchannel), GFP_ATOMIC);
if (!new_slow_sch)
return -ENOMEM;
memset(new_slow_sch, 0, sizeof(struct slow_subchannel));
new_slow_sch->schid = schid;
spin_lock_irqsave(&slow_subchannel_lock, flags);
list_add_tail(&new_slow_sch->slow_list, &slow_subchannels_head);

6
drivers/s390/cio/device.c
View File

@ -826,17 +826,15 @@ io_subchannel_probe (struct subchannel *sch)
get_device(&cdev->dev);
return 0;
}
cdev = kmalloc (sizeof(*cdev), GFP_KERNEL);
cdev = kzalloc (sizeof(*cdev), GFP_KERNEL);
if (!cdev)
return -ENOMEM;
memset(cdev, 0, sizeof(struct ccw_device));
cdev->private = kmalloc(sizeof(struct ccw_device_private),
cdev->private = kzalloc(sizeof(struct ccw_device_private),
GFP_KERNEL | GFP_DMA);
if (!cdev->private) {
kfree(cdev);
return -ENOMEM;
}
memset(cdev->private, 0, sizeof(struct ccw_device_private));
atomic_set(&cdev->private->onoff, 0);
cdev->dev = (struct device) {
.parent = &sch->dev,

9
drivers/s390/cio/device_ops.c
View File

@ -359,10 +359,9 @@ read_dev_chars (struct ccw_device *cdev, void **buffer, int length)
CIO_TRACE_EVENT (4, "rddevch");
CIO_TRACE_EVENT (4, sch->dev.bus_id);
rdc_ccw = kmalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
rdc_ccw = kzalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
if (!rdc_ccw)
return -ENOMEM;
memset(rdc_ccw, 0, sizeof(struct ccw1));
rdc_ccw->cmd_code = CCW_CMD_RDC;
rdc_ccw->count = length;
rdc_ccw->flags = CCW_FLAG_SLI;
@ -426,16 +425,14 @@ read_conf_data_lpm (struct ccw_device *cdev, void **buffer, int *length, __u8 lp
if (!ciw || ciw->cmd == 0)
return -EOPNOTSUPP;
rcd_ccw = kmalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
rcd_ccw = kzalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
if (!rcd_ccw)
return -ENOMEM;
memset(rcd_ccw, 0, sizeof(struct ccw1));
rcd_buf = kmalloc(ciw->count, GFP_KERNEL | GFP_DMA);
rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
if (!rcd_buf) {
kfree(rcd_ccw);
return -ENOMEM;
}
memset (rcd_buf, 0, ciw->count);
rcd_ccw->cmd_code = ciw->cmd;
rcd_ccw->cda = (__u32) __pa (rcd_buf);
rcd_ccw->count = ciw->count;

20
drivers/s390/cio/qdio.c
View File

@ -1686,16 +1686,14 @@ qdio_alloc_qs(struct qdio_irq *irq_ptr,
int result=-ENOMEM;
for (i=0;i<no_input_qs;i++) {
q=kmalloc(sizeof(struct qdio_q),GFP_KERNEL);
q = kzalloc(sizeof(struct qdio_q), GFP_KERNEL);
if (!q) {
QDIO_PRINT_ERR("kmalloc of q failed!\n");
goto out;
}
memset(q,0,sizeof(struct qdio_q));
q->slib=kmalloc(PAGE_SIZE,GFP_KERNEL);
q->slib = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!q->slib) {
QDIO_PRINT_ERR("kmalloc of slib failed!\n");
goto out;
@ -1705,14 +1703,12 @@ qdio_alloc_qs(struct qdio_irq *irq_ptr,
}
for (i=0;i<no_output_qs;i++) {
q=kmalloc(sizeof(struct qdio_q),GFP_KERNEL);
q = kzalloc(sizeof(struct qdio_q), GFP_KERNEL);
if (!q) {
goto out;
}
memset(q,0,sizeof(struct qdio_q));
q->slib=kmalloc(PAGE_SIZE,GFP_KERNEL);
if (!q->slib) {
QDIO_PRINT_ERR("kmalloc of slib failed!\n");
@ -2984,7 +2980,7 @@ qdio_allocate(struct qdio_initialize *init_data)
qdio_allocate_do_dbf(init_data);
/* create irq */
irq_ptr=kmalloc(sizeof(struct qdio_irq), GFP_KERNEL | GFP_DMA);
irq_ptr = kzalloc(sizeof(struct qdio_irq), GFP_KERNEL | GFP_DMA);
QDIO_DBF_TEXT0(0,setup,"irq_ptr:");
QDIO_DBF_HEX0(0,setup,&irq_ptr,sizeof(void*));
@ -2994,8 +2990,6 @@ qdio_allocate(struct qdio_initialize *init_data)
return -ENOMEM;
}
memset(irq_ptr,0,sizeof(struct qdio_irq));
init_MUTEX(&irq_ptr->setting_up_sema);
/* QDR must be in DMA area since CCW data address is only 32 bit */
@ -3686,10 +3680,10 @@ qdio_get_qdio_memory(void)
for (i=1;i<INDICATORS_PER_CACHELINE;i++)
indicator_used[i]=0;
indicators=(__u32*)kmalloc(sizeof(__u32)*(INDICATORS_PER_CACHELINE),
indicators = kzalloc(sizeof(__u32)*(INDICATORS_PER_CACHELINE),
GFP_KERNEL);
if (!indicators) return -ENOMEM;
memset(indicators,0,sizeof(__u32)*(INDICATORS_PER_CACHELINE));
if (!indicators)
return -ENOMEM;
return 0;
}

10
drivers/s390/crypto/z90main.c
View File

@ -707,13 +707,12 @@ z90crypt_open(struct inode *inode, struct file *filp)
if (quiesce_z90crypt)
return -EQUIESCE;
private_data_p = kmalloc(sizeof(struct priv_data), GFP_KERNEL);
private_data_p = kzalloc(sizeof(struct priv_data), GFP_KERNEL);
if (!private_data_p) {
PRINTK("Memory allocate failed\n");
return -ENOMEM;
}
memset((void *)private_data_p, 0, sizeof(struct priv_data));
private_data_p->status = STAT_OPEN;
private_data_p->opener_pid = PID();
filp->private_data = private_data_p;
@ -2737,13 +2736,11 @@ create_z90crypt(int *cdx_p)
z90crypt.max_count = Z90CRYPT_NUM_DEVS;
z90crypt.cdx = *cdx_p;
hdware_blk_p = (struct hdware_block *)
kmalloc(sizeof(struct hdware_block), GFP_ATOMIC);
hdware_blk_p = kzalloc(sizeof(struct hdware_block), GFP_ATOMIC);
if (!hdware_blk_p) {
PDEBUG("kmalloc for hardware block failed\n");
return ENOMEM;
}
memset(hdware_blk_p, 0x00, sizeof(struct hdware_block));
z90crypt.hdware_info = hdware_blk_p;
return 0;
@ -2978,12 +2975,11 @@ create_crypto_device(int index)
total_size = sizeof(struct device) +
z90crypt.q_depth_array[index] * sizeof(int);
dev_ptr = (struct device *) kmalloc(total_size, GFP_ATOMIC);
dev_ptr = kzalloc(total_size, GFP_ATOMIC);
if (!dev_ptr) {
PRINTK("kmalloc device %d failed\n", index);
return ENOMEM;
}
memset(dev_ptr, 0, total_size);
dev_ptr->dev_resp_p = kmalloc(MAX_RESPONSE_SIZE, GFP_ATOMIC);
if (!dev_ptr->dev_resp_p) {
kfree(dev_ptr);

3
drivers/s390/net/claw.c
View File

@ -310,7 +310,7 @@ claw_probe(struct ccwgroup_device *cgdev)
printk(KERN_INFO "claw: variable cgdev =\n");
dumpit((char *)cgdev, sizeof(struct ccwgroup_device));
#endif
privptr = kmalloc(sizeof(struct claw_privbk), GFP_KERNEL);
privptr = kzalloc(sizeof(struct claw_privbk), GFP_KERNEL);
if (privptr == NULL) {
probe_error(cgdev);
put_device(&cgdev->dev);
@ -319,7 +319,6 @@ claw_probe(struct ccwgroup_device *cgdev)
CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM);
return -ENOMEM;
}
memset(privptr,0x00,sizeof(struct claw_privbk));
privptr->p_mtc_envelope= kmalloc( MAX_ENVELOPE_SIZE, GFP_KERNEL);
privptr->p_env = kmalloc(sizeof(struct claw_env), GFP_KERNEL);
if ((privptr->p_mtc_envelope==NULL) || (privptr->p_env==NULL)) {

10
drivers/s390/net/fsm.c
View File

@ -21,38 +21,34 @@ init_fsm(char *name, const char **state_names, const char **event_names, int nr_
fsm_function_t *m;
fsm *f;
this = (fsm_instance *)kmalloc(sizeof(fsm_instance), order);
this = kzalloc(sizeof(fsm_instance), order);
if (this == NULL) {
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc instance\n", name);
return NULL;
}
memset(this, 0, sizeof(fsm_instance));
strlcpy(this->name, name, sizeof(this->name));
f = (fsm *)kmalloc(sizeof(fsm), order);
f = kzalloc(sizeof(fsm), order);
if (f == NULL) {
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc fsm\n", name);
kfree_fsm(this);
return NULL;
}
memset(f, 0, sizeof(fsm));
f->nr_events = nr_events;
f->nr_states = nr_states;
f->event_names = event_names;
f->state_names = state_names;
this->f = f;
m = (fsm_function_t *)kmalloc(
sizeof(fsm_function_t) * nr_states * nr_events, order);
m = kcalloc(nr_states*nr_events, sizeof(fsm_function_t), order);
if (m == NULL) {
printk(KERN_WARNING
"fsm(%s): init_fsm: Couldn't alloc jumptable\n", name);
kfree_fsm(this);
return NULL;
}
memset(m, 0, sizeof(fsm_function_t) * f->nr_states * f->nr_events);
f->jumpmatrix = m;
for (i = 0; i < tmpl_len; i++) {

11
drivers/s390/net/iucv.c
View File

@ -386,7 +386,7 @@ iucv_init(void)
}
/* Note: GFP_DMA used used to get memory below 2G */
iucv_external_int_buffer = kmalloc(sizeof(iucv_GeneralInterrupt),
iucv_external_int_buffer = kzalloc(sizeof(iucv_GeneralInterrupt),
GFP_KERNEL|GFP_DMA);
if (!iucv_external_int_buffer) {
printk(KERN_WARNING
@ -396,10 +396,9 @@ iucv_init(void)
bus_unregister(&iucv_bus);
return -ENOMEM;
}
memset(iucv_external_int_buffer, 0, sizeof(iucv_GeneralInterrupt));
/* Initialize parameter pool */
iucv_param_pool = kmalloc(sizeof(iucv_param) * PARAM_POOL_SIZE,
iucv_param_pool = kzalloc(sizeof(iucv_param) * PARAM_POOL_SIZE,
GFP_KERNEL|GFP_DMA);
if (!iucv_param_pool) {
printk(KERN_WARNING "%s: Could not allocate param pool\n",
@ -410,7 +409,6 @@ iucv_init(void)
bus_unregister(&iucv_bus);
return -ENOMEM;
}
memset(iucv_param_pool, 0, sizeof(iucv_param) * PARAM_POOL_SIZE);
/* Initialize irq queue */
INIT_LIST_HEAD(&iucv_irq_queue);
@ -793,15 +791,14 @@ iucv_register_program (__u8 pgmname[16],
}
max_connections = iucv_query_maxconn();
iucv_pathid_table = kmalloc(max_connections * sizeof(handler *),
GFP_ATOMIC);
iucv_pathid_table = kcalloc(max_connections, sizeof(handler *),
GFP_ATOMIC);
if (iucv_pathid_table == NULL) {
printk(KERN_WARNING "%s: iucv_pathid_table storage "
"allocation failed\n", __FUNCTION__);
kfree(new_handler);
return NULL;
}
memset (iucv_pathid_table, 0, max_connections * sizeof(handler *));
}
memset(new_handler, 0, sizeof (handler));
memcpy(new_handler->id.user_data, pgmname,

11
drivers/s390/net/lcs.c
View File

@ -115,11 +115,10 @@ lcs_alloc_channel(struct lcs_channel *channel)
LCS_DBF_TEXT(2, setup, "ichalloc");
for (cnt = 0; cnt < LCS_NUM_BUFFS; cnt++) {
/* alloc memory fo iobuffer */
channel->iob[cnt].data = (void *)
kmalloc(LCS_IOBUFFERSIZE, GFP_DMA | GFP_KERNEL);
channel->iob[cnt].data =
kzalloc(LCS_IOBUFFERSIZE, GFP_DMA | GFP_KERNEL);
if (channel->iob[cnt].data == NULL)
break;
memset(channel->iob[cnt].data, 0, LCS_IOBUFFERSIZE);
channel->iob[cnt].state = BUF_STATE_EMPTY;
}
if (cnt < LCS_NUM_BUFFS) {
@ -182,10 +181,9 @@ lcs_alloc_card(void)
LCS_DBF_TEXT(2, setup, "alloclcs");
card = kmalloc(sizeof(struct lcs_card), GFP_KERNEL | GFP_DMA);
card = kzalloc(sizeof(struct lcs_card), GFP_KERNEL | GFP_DMA);
if (card == NULL)
return NULL;
memset(card, 0, sizeof(struct lcs_card));
card->lan_type = LCS_FRAME_TYPE_AUTO;
card->pkt_seq = 0;
card->lancmd_timeout = LCS_LANCMD_TIMEOUT_DEFAULT;
@ -793,10 +791,9 @@ lcs_alloc_reply(struct lcs_cmd *cmd)
LCS_DBF_TEXT(4, trace, "getreply");
reply = kmalloc(sizeof(struct lcs_reply), GFP_ATOMIC);
reply = kzalloc(sizeof(struct lcs_reply), GFP_ATOMIC);
if (!reply)
return NULL;
memset(reply,0,sizeof(struct lcs_reply));
atomic_set(&reply->refcnt,1);
reply->sequence_no = cmd->sequence_no;
reply->received = 0;

7
drivers/s390/net/netiucv.c
View File

@ -1728,14 +1728,13 @@ static int
netiucv_register_device(struct net_device *ndev)
{
struct netiucv_priv *priv = ndev->priv;
struct device *dev = kmalloc(sizeof(struct device), GFP_KERNEL);
struct device *dev = kzalloc(sizeof(struct device), GFP_KERNEL);
int ret;
IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
if (dev) {
memset(dev, 0, sizeof(struct device));
snprintf(dev->bus_id, BUS_ID_SIZE, "net%s", ndev->name);
dev->bus = &iucv_bus;
dev->parent = iucv_root;
@ -1784,11 +1783,9 @@ netiucv_new_connection(struct net_device *dev, char *username)
{
struct iucv_connection **clist = &iucv_connections;
struct iucv_connection *conn =
(struct iucv_connection *)
kmalloc(sizeof(struct iucv_connection), GFP_KERNEL);
kzalloc(sizeof(struct iucv_connection), GFP_KERNEL);
if (conn) {
memset(conn, 0, sizeof(struct iucv_connection));
skb_queue_head_init(&conn->collect_queue);
skb_queue_head_init(&conn->commit_queue);
conn->max_buffsize = NETIUCV_BUFSIZE_DEFAULT;

13
drivers/s390/net/qeth_eddp.c
View File

@ -389,9 +389,8 @@ qeth_eddp_create_eddp_data(struct qeth_hdr *qh, u8 *nh, u8 nhl, u8 *th, u8 thl)
struct qeth_eddp_data *eddp;
QETH_DBF_TEXT(trace, 5, "eddpcrda");
eddp = kmalloc(sizeof(struct qeth_eddp_data), GFP_ATOMIC);
eddp = kzalloc(sizeof(struct qeth_eddp_data), GFP_ATOMIC);
if (eddp){
memset(eddp, 0, sizeof(struct qeth_eddp_data));
eddp->nhl = nhl;
eddp->thl = thl;
memcpy(&eddp->qh, qh, sizeof(struct qeth_hdr));
@ -542,12 +541,11 @@ qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb,
QETH_DBF_TEXT(trace, 5, "creddpcg");
/* create the context and allocate pages */
ctx = kmalloc(sizeof(struct qeth_eddp_context), GFP_ATOMIC);
ctx = kzalloc(sizeof(struct qeth_eddp_context), GFP_ATOMIC);
if (ctx == NULL){
QETH_DBF_TEXT(trace, 2, "ceddpcn1");
return NULL;
}
memset(ctx, 0, sizeof(struct qeth_eddp_context));
ctx->type = QETH_LARGE_SEND_EDDP;
qeth_eddp_calc_num_pages(ctx, skb, hdr_len);
if (ctx->elements_per_skb > QETH_MAX_BUFFER_ELEMENTS(card)){
@ -555,13 +553,12 @@ qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb,
kfree(ctx);
return NULL;
}
ctx->pages = kmalloc(ctx->num_pages * sizeof(u8 *), GFP_ATOMIC);
ctx->pages = kcalloc(ctx->num_pages, sizeof(u8 *), GFP_ATOMIC);
if (ctx->pages == NULL){
QETH_DBF_TEXT(trace, 2, "ceddpcn2");
kfree(ctx);
return NULL;
}
memset(ctx->pages, 0, ctx->num_pages * sizeof(u8 *));
for (i = 0; i < ctx->num_pages; ++i){
addr = (u8 *)__get_free_page(GFP_ATOMIC);
if (addr == NULL){
@ -573,15 +570,13 @@ qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb,
memset(addr, 0, PAGE_SIZE);
ctx->pages[i] = addr;
}
ctx->elements = kmalloc(ctx->num_elements *
ctx->elements = kcalloc(ctx->num_elements,
sizeof(struct qeth_eddp_element), GFP_ATOMIC);
if (ctx->elements == NULL){
QETH_DBF_TEXT(trace, 2, "ceddpcn4");
qeth_eddp_free_context(ctx);
return NULL;
}
memset(ctx->elements, 0,
ctx->num_elements * sizeof(struct qeth_eddp_element));
/* reset num_elements; will be incremented again in fill_buffer to
* reflect number of actually used elements */
ctx->num_elements = 0;

20
drivers/s390/net/qeth_main.c
View File

@ -297,12 +297,10 @@ qeth_alloc_card(void)
struct qeth_card *card;
QETH_DBF_TEXT(setup, 2, "alloccrd");
card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card),
GFP_DMA|GFP_KERNEL);
card = kzalloc(sizeof(struct qeth_card), GFP_DMA|GFP_KERNEL);
if (!card)
return NULL;
QETH_DBF_HEX(setup, 2, &card, sizeof(void *));
memset(card, 0, sizeof(struct qeth_card));
if (qeth_setup_channel(&card->read)) {
kfree(card);
return NULL;
@ -1632,9 +1630,8 @@ qeth_alloc_reply(struct qeth_card *card)
{
struct qeth_reply *reply;
reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
reply = kzalloc(sizeof(struct qeth_reply), GFP_ATOMIC);
if (reply){
memset(reply, 0, sizeof(struct qeth_reply));
atomic_set(&reply->refcnt, 1);
reply->card = card;
};
@ -3348,13 +3345,11 @@ qeth_qdio_establish(struct qeth_card *card)
QETH_DBF_TEXT(setup, 2, "qdioest");
qib_param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
qib_param_field = kzalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char),
GFP_KERNEL);
if (!qib_param_field)
return -ENOMEM;
memset(qib_param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char));
qeth_create_qib_param_field(card, qib_param_field);
qeth_create_qib_param_field_blkt(card, qib_param_field);
@ -4819,9 +4814,8 @@ qeth_arp_query(struct qeth_card *card, char *udata)
/* get size of userspace buffer and mask_bits -> 6 bytes */
if (copy_from_user(&qinfo, udata, 6))
return -EFAULT;
if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL)))
if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL)))
return -ENOMEM;
memset(qinfo.udata, 0, qinfo.udata_len);
qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
IPA_CMD_ASS_ARP_QUERY_INFO,
@ -4969,11 +4963,10 @@ qeth_snmp_command(struct qeth_card *card, char *udata)
return -EFAULT;
}
qinfo.udata_len = ureq->hdr.data_len;
if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){
if (!(qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL))){
kfree(ureq);
return -ENOMEM;
}
memset(qinfo.udata, 0, qinfo.udata_len);
qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr);
iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL,
@ -5564,12 +5557,11 @@ qeth_get_addr_buffer(enum qeth_prot_versions prot)
{
struct qeth_ipaddr *addr;
addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC);
if (addr == NULL) {
PRINT_WARN("Not enough memory to add address\n");
return NULL;
}
memset(addr,0,sizeof(struct qeth_ipaddr));
addr->type = QETH_IP_TYPE_NORMAL;
addr->proto = prot;
return addr;

3
drivers/s390/net/qeth_sys.c
View File

@ -1145,11 +1145,10 @@ qeth_dev_ipato_add_store(const char *buf, size_t count,
if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
return rc;
if (!(ipatoe = kmalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){
if (!(ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){
PRINT_WARN("No memory to allocate ipato entry\n");
return -ENOMEM;
}
memset(ipatoe, 0, sizeof(struct qeth_ipato_entry));
ipatoe->proto = proto;
memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
ipatoe->mask_bits = mask_bits;

3
drivers/s390/s390_rdev.c
View File

@ -27,10 +27,9 @@ s390_root_dev_register(const char *name)
if (!strlen(name))
return ERR_PTR(-EINVAL);
dev = kmalloc(sizeof(struct device), GFP_KERNEL);
dev = kzalloc(sizeof(struct device), GFP_KERNEL);
if (!dev)
return ERR_PTR(-ENOMEM);
memset(dev, 0, sizeof(struct device));
strncpy(dev->bus_id, name, min(strlen(name), (size_t)BUS_ID_SIZE));
dev->release = s390_root_dev_release;
ret = device_register(dev);