[PATCH] s390: kzalloc() conversion in drivers/s390
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>
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index acd2a3f..23d53bf 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -310,7 +310,7 @@
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_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)) {
diff --git a/drivers/s390/net/fsm.c b/drivers/s390/net/fsm.c
index 6caf5fa6..7145e21 100644
--- a/drivers/s390/net/fsm.c
+++ b/drivers/s390/net/fsm.c
@@ -21,38 +21,34 @@
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++) {
diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c
index 760e77e..6190be9 100644
--- a/drivers/s390/net/iucv.c
+++ b/drivers/s390/net/iucv.c
@@ -386,7 +386,7 @@
}
/* 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 @@
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 @@
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 @@
}
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,
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 9cf88d7..edcf05d 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -115,11 +115,10 @@
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_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_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;
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 71d3853..260a93c 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1728,14 +1728,13 @@
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 @@
{
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;
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c
index 82cb4af..44e226f 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -389,9 +389,8 @@
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_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 @@
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 @@
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;
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 021cd5d..b3c6e79 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -297,12 +297,10 @@
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 @@
{
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_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 @@
/* 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 @@
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 @@
{
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;
diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c
index f2a076a..882d419 100644
--- a/drivers/s390/net/qeth_sys.c
+++ b/drivers/s390/net/qeth_sys.c
@@ -1145,11 +1145,10 @@
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;