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Subject[patch] kmalloc returns (void*), don't do type conversions
Date
Hello everybody,

as requested on http://kernelnewbies.org/KernelJanitors/Todo
here's a first patch that removes type conversion on
kmalloc() (which returns a (void*)):


It was done against current linus-git
(d40ace0c7b4a329f7d869d0fbf27435543bb2acc, if I'm not mistaken),
and looks like that:
list_del(&bss->list);
local->num_bss_info--;
} else {
- bss = (struct hostap_bss_info *)
- kmalloc(sizeof(*bss), GFP_ATOMIC);
+ bss = kmalloc(sizeof(*bss), GFP_ATOMIC);
if (bss == NULL)
return NULL;
}


Most of the patch is auto-generated (by a script in
http://kernelnewbies.org/KernelJanitors/Todo/VoidPointerConvs);
but it is hand-changed in some parts to avoid checkpatch warnings:
- line length
- "foo* bar" to "foo *bar"
- space prohibited between function name and open parenthesis '('
(like "sizeof (")

checkpatch didn't give any warnings or errors on this patch.
I tried a "make allyesconfig", but that gave some compile errors
that don't seem related to my changes:
drivers/block/cciss_scsi.c:75: error: ‘MAX_CTLR’ undeclared here (not in a function)
drivers/block/cciss_scsi.c:76: error: field name not in record or union initializer


Please tell me if that's the correct approach; I'm sorry that I
couldn't find out who the correct maintainer for these changes is.


Regards,

Phil


$ diffstat kmalloc-type-changes.patch
arch/cris/arch-v32/mm/intmem.c | 13 +++++--------
arch/ia64/kernel/mca_drv.c | 4 ++--
arch/powerpc/kernel/nvram_64.c | 3 +--
drivers/block/cciss.c | 3 +--
drivers/block/cciss_scsi.c | 3 +--
drivers/block/floppy.c | 3 +--
drivers/i2c/i2c-dev.c | 3 +--
drivers/isdn/capi/capidrv.c | 3 +--
drivers/isdn/hisax/hfc_sx.c | 5 +++--
drivers/media/video/vino.c | 8 ++++----
drivers/message/i2o/i2o_config.c | 3 +--
drivers/mtd/maps/tqm8xxl.c | 2 +-
drivers/net/gianfar.c | 6 ++----
drivers/net/s2io.c | 4 ++--
drivers/net/tulip/eeprom.c | 8 ++++----
drivers/net/wireless/hostap/hostap_80211_rx.c | 3 +--
drivers/net/wireless/hostap/hostap_ioctl.c | 3 +--
drivers/net/wireless/ipw2100.c | 10 ++++------
drivers/net/wireless/zd1211rw/zd_chip.c | 2 +-
drivers/s390/net/ctcm_mpc.c | 6 ++----
drivers/s390/net/qeth_core_main.c | 4 ++--
drivers/scsi/osst.c | 5 ++---
drivers/usb/storage/isd200.c | 3 +--
fs/befs/btree.c | 4 ++--
fs/ufs/util.c | 3 +--
net/ipv4/igmp.c | 3 +--
net/ipv6/mcast.c | 3 +--
net/sctp/protocol.c | 4 ++--
security/selinux/ss/conditional.c | 4 ++--
29 files changed, 53 insertions(+), 75 deletions(-)

Remove type conversions that are done on the result of kmalloc() -
this is defined as (void*).


Signed-off-by: philipp@marek.priv.at

--- linux-2.6.git/drivers/i2c/i2c-dev.c
+++ linux-2.6.git/drivers/i2c/i2c-dev.c
@@ -218,8 +218,7 @@ static noinline int i2cdev_ioctl_rdrw(st
if (rdwr_arg.nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
return -EINVAL;

- rdwr_pa = (struct i2c_msg *)
- kmalloc(rdwr_arg.nmsgs * sizeof(struct i2c_msg),
+ rdwr_pa = kmalloc(rdwr_arg.nmsgs * sizeof(struct i2c_msg),
GFP_KERNEL);
if (!rdwr_pa)
return -ENOMEM;
--- linux-2.6.git/drivers/net/s2io.c
+++ linux-2.6.git/drivers/net/s2io.c
@@ -899,7 +899,7 @@ static int init_shared_mem(struct s2io_n
while (k != rxd_count[nic->rxd_mode]) {
ba = &mac_control->rings[i].ba[j][k];

- ba->ba_0_org = (void *) kmalloc
+ ba->ba_0_org = kmalloc
(BUF0_LEN + ALIGN_SIZE, GFP_KERNEL);
if (!ba->ba_0_org)
return -ENOMEM;
@@ -910,7 +910,7 @@ static int init_shared_mem(struct s2io_n
tmp &= ~((unsigned long) ALIGN_SIZE);
ba->ba_0 = (void *) tmp;

- ba->ba_1_org = (void *) kmalloc
+ ba->ba_1_org = kmalloc
(BUF1_LEN + ALIGN_SIZE, GFP_KERNEL);
if (!ba->ba_1_org)
return -ENOMEM;
--- linux-2.6.git/drivers/net/wireless/hostap/hostap_ioctl.c
+++ linux-2.6.git/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -3057,8 +3057,7 @@ static int prism2_ioctl_priv_download(lo
p->length > 1024 || !p->pointer)
return -EINVAL;

- param = (struct prism2_download_param *)
- kmalloc(p->length, GFP_KERNEL);
+ param = kmalloc(p->length, GFP_KERNEL);
if (param == NULL)
return -ENOMEM;

--- linux-2.6.git/drivers/net/wireless/hostap/hostap_80211_rx.c
+++ linux-2.6.git/drivers/net/wireless/hostap/hostap_80211_rx.c
@@ -335,8 +335,7 @@ static struct hostap_bss_info *__hostap_
list_del(&bss->list);
local->num_bss_info--;
} else {
- bss = (struct hostap_bss_info *)
- kmalloc(sizeof(*bss), GFP_ATOMIC);
+ bss = kmalloc(sizeof(*bss), GFP_ATOMIC);
if (bss == NULL)
return NULL;
}
--- linux-2.6.git/drivers/net/wireless/zd1211rw/zd_chip.c
+++ linux-2.6.git/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -117,7 +117,7 @@ int zd_ioread32v_locked(struct zd_chip *

/* Allocate a single memory block for values and addresses. */
count16 = 2*count;
- a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
+ a16 = kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
GFP_KERNEL);
if (!a16) {
dev_dbg_f(zd_chip_dev(chip),
--- linux-2.6.git/drivers/net/wireless/ipw2100.c
+++ linux-2.6.git/drivers/net/wireless/ipw2100.c
@@ -3373,8 +3373,7 @@ static int ipw2100_msg_allocate(struct i
void *v;
dma_addr_t p;

- priv->msg_buffers =
- (struct ipw2100_tx_packet *)kmalloc(IPW_COMMAND_POOL_SIZE *
+ priv->msg_buffers = kmalloc(IPW_COMMAND_POOL_SIZE *
sizeof(struct
ipw2100_tx_packet),
GFP_KERNEL);
@@ -4406,8 +4405,7 @@ static int ipw2100_tx_allocate(struct ip
return err;
}

- priv->tx_buffers =
- (struct ipw2100_tx_packet *)kmalloc(TX_PENDED_QUEUE_LENGTH *
+ priv->tx_buffers = kmalloc(TX_PENDED_QUEUE_LENGTH *
sizeof(struct
ipw2100_tx_packet),
GFP_ATOMIC);
@@ -4559,8 +4557,8 @@ static int ipw2100_rx_allocate(struct ip
/*
* allocate packets
*/
- priv->rx_buffers = (struct ipw2100_rx_packet *)
- kmalloc(RX_QUEUE_LENGTH * sizeof(struct ipw2100_rx_packet),
+ priv->rx_buffers = kmalloc(RX_QUEUE_LENGTH *
+ sizeof(struct ipw2100_rx_packet),
GFP_KERNEL);
if (!priv->rx_buffers) {
IPW_DEBUG_INFO("can't allocate rx packet buffer table\n");
--- linux-2.6.git/drivers/net/tulip/eeprom.c
+++ linux-2.6.git/drivers/net/tulip/eeprom.c
@@ -121,8 +121,8 @@ static void __devinit tulip_build_fake_m
0x00, 0x06 /* ttm bit map */
};

- tp->mtable = (struct mediatable *)
- kmalloc(sizeof(struct mediatable) + sizeof(struct medialeaf), GFP_KERNEL);
+ tp->mtable = kmalloc(sizeof(struct mediatable) +
+ sizeof(struct medialeaf), GFP_KERNEL);

if (tp->mtable == NULL)
return; /* Horrible, impossible failure. */
@@ -224,8 +223,8 @@ subsequent_board:
return;
}

- mtable = (struct mediatable *)
- kmalloc(sizeof(struct mediatable) + count*sizeof(struct medialeaf),
+ mtable = kmalloc(sizeof(struct mediatable) +
+ count*sizeof(struct medialeaf),
GFP_KERNEL);
if (mtable == NULL)
return; /* Horrible, impossible failure. */
--- linux-2.6.git/drivers/net/gianfar.c
+++ linux-2.6.git/drivers/net/gianfar.c
@@ -737,8 +737,7 @@ int startup_gfar(struct net_device *dev)
gfar_write(&regs->rbase0, addr);

/* Setup the skbuff rings */
- priv->tx_skbuff =
- (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) *
+ priv->tx_skbuff = kmalloc(sizeof(struct sk_buff *) *
priv->tx_ring_size, GFP_KERNEL);

if (NULL == priv->tx_skbuff) {
@@ -752,8 +751,7 @@ int startup_gfar(struct net_device *dev)
for (i = 0; i < priv->tx_ring_size; i++)
priv->tx_skbuff[i] = NULL;

- priv->rx_skbuff =
- (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) *
+ priv->rx_skbuff = kmalloc(sizeof(struct sk_buff *) *
priv->rx_ring_size, GFP_KERNEL);

if (NULL == priv->rx_skbuff) {
--- linux-2.6.git/drivers/s390/net/qeth_core_main.c
+++ linux-2.6.git/drivers/s390/net/qeth_core_main.c
@@ -634,8 +634,8 @@ static int qeth_setup_channel(struct qet

QETH_DBF_TEXT(SETUP, 2, "setupch");
for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) {
- channel->iob[cnt].data = (char *)
- kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
+ channel->iob[cnt].data =
+ kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL);
if (channel->iob[cnt].data == NULL)
break;
channel->iob[cnt].state = BUF_STATE_FREE;
--- linux-2.6.git/drivers/s390/net/ctcm_mpc.c
+++ linux-2.6.git/drivers/s390/net/ctcm_mpc.c
@@ -696,8 +696,7 @@ static void ctcmpc_send_sweep_resp(struc
goto done;
}

- header = (struct th_sweep *)
- kmalloc(sizeof(struct th_sweep), gfp_type());
+ header = kmalloc(sizeof(struct th_sweep), gfp_type());

if (!header) {
dev_kfree_skb_any(sweep_skb);
@@ -1308,8 +1307,7 @@ static void ctcmpc_unpack_skb(struct cha
skb_pull(pskb, new_len); /* point to next PDU */
}
} else {
- mpcginfo = (struct mpcg_info *)
- kmalloc(sizeof(struct mpcg_info), gfp_type());
+ mpcginfo = kmalloc(sizeof(struct mpcg_info), gfp_type());
if (mpcginfo == NULL)
goto done;

--- linux-2.6.git/drivers/isdn/capi/capidrv.c
+++ linux-2.6.git/drivers/isdn/capi/capidrv.c
@@ -469,8 +469,7 @@ static int capidrv_add_ack(struct capidr
{
struct ncci_datahandle_queue *n, **pp;

- n = (struct ncci_datahandle_queue *)
- kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
+ n = kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
if (!n) {
printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n");
return -1;
--- linux-2.6.git/drivers/isdn/hisax/hfc_sx.c
+++ linux-2.6.git/drivers/isdn/hisax/hfc_sx.c
@@ -1480,8 +1480,9 @@ setup_hfcsx(struct IsdnCard *card)
release_region(cs->hw.hfcsx.base, 2);
return(0);
}
- if (!(cs->hw.hfcsx.extra = (void *)
- kmalloc(sizeof(struct hfcsx_extra), GFP_ATOMIC))) {
+ cs->hw.hfcsx.extra = kmalloc(sizeof(struct hfcsx_extra),
+ GFP_ATOMIC);
+ if (!cs->hw.hfcsx.extra)
release_region(cs->hw.hfcsx.base, 2);
printk(KERN_WARNING "HFC-SX: unable to allocate memory\n");
return(0);
--- linux-2.6.git/drivers/scsi/osst.c
+++ linux-2.6.git/drivers/scsi/osst.c
@@ -5758,8 +5758,7 @@ static int osst_probe(struct device *dev
/* if this is the first attach, build the infrastructure */
write_lock(&os_scsi_tapes_lock);
if (os_scsi_tapes == NULL) {
- os_scsi_tapes =
- (struct osst_tape **)kmalloc(osst_max_dev * sizeof(struct osst_tape *),
- GFP_ATOMIC);
+ os_scsi_tapes = kmalloc(osst_max_dev *
+ sizeof(struct osst_tape *), GFP_ATOMIC);
if (os_scsi_tapes == NULL) {
write_unlock(&os_scsi_tapes_lock);
--- linux-2.6.git/drivers/block/cciss_scsi.c
+++ linux-2.6.git/drivers/block/cciss_scsi.c
@@ -535,8 +535,7 @@ cciss_scsi_setup(int cntl_num)
struct cciss_scsi_adapter_data_t * shba;

ccissscsi[cntl_num].ndevices = 0;
- shba = (struct cciss_scsi_adapter_data_t *)
- kmalloc(sizeof(*shba), GFP_KERNEL);
+ shba = kmalloc(sizeof(*shba), GFP_KERNEL);
if (shba == NULL)
return;
shba->scsi_host = NULL;
--- linux-2.6.git/drivers/block/floppy.c
+++ linux-2.6.git/drivers/block/floppy.c
@@ -3194,8 +3194,7 @@ static inline int raw_cmd_copyin(int cmd

*rcmd = NULL;
while (1) {
- ptr = (struct floppy_raw_cmd *)
- kmalloc(sizeof(struct floppy_raw_cmd), GFP_USER);
+ ptr = kmalloc(sizeof(struct floppy_raw_cmd), GFP_USER);
if (!ptr)
return -ENOMEM;
*rcmd = ptr;
--- linux-2.6.git/drivers/block/cciss.c
+++ linux-2.6.git/drivers/block/cciss.c
@@ -1073,8 +1073,7 @@ static int cciss_ioctl(struct inode *ino
return -EINVAL;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
- ioc = (BIG_IOCTL_Command_struct *)
- kmalloc(sizeof(*ioc), GFP_KERNEL);
+ ioc = kmalloc(sizeof(*ioc), GFP_KERNEL);
if (!ioc) {
status = -ENOMEM;
goto cleanup1;
--- linux-2.6.git/drivers/media/video/vino.c
+++ linux-2.6.git/drivers/media/video/vino.c
@@ -848,8 +848,8 @@ static int vino_allocate_buffer(struct v
size, count);

/* allocate memory for table with virtual (page) addresses */
- fb->desc_table.virtual = (unsigned long *)
- kmalloc(count * sizeof(unsigned long), GFP_KERNEL);
+ fb->desc_table.virtual = kmalloc(count *
+ sizeof(unsigned long), GFP_KERNEL);
if (!fb->desc_table.virtual)
return -ENOMEM;

@@ -935,8 +934,8 @@ static int vino_prepare_user_buffer(stru
size, count);

/* allocate memory for table with virtual (page) addresses */
- fb->desc_table.virtual = (unsigned long *)
- kmalloc(count * sizeof(unsigned long), GFP_KERNEL);
+ fb->desc_table.virtual = kmalloc(count *
+ sizeof(unsigned long), GFP_KERNEL);
if (!fb->desc_table.virtual)
return -ENOMEM;

--- linux-2.6.git/drivers/message/i2o/i2o_config.c
+++ linux-2.6.git/drivers/message/i2o/i2o_config.c
@@ -1053,8 +1053,7 @@ static int i2o_cfg_ioctl(struct inode *i

static int cfg_open(struct inode *inode, struct file *file)
{
- struct i2o_cfg_info *tmp =
- (struct i2o_cfg_info *)kmalloc(sizeof(struct i2o_cfg_info),
+ struct i2o_cfg_info *tmp = kmalloc(sizeof(struct i2o_cfg_info),
GFP_KERNEL);
unsigned long flags;

--- linux-2.6.git/drivers/usb/storage/isd200.c
+++ linux-2.6.git/drivers/usb/storage/isd200.c
@@ -1496,8 +1496,7 @@ static int isd200_init_info(struct us_da
else {
info->id = (struct hd_driveid *)
kzalloc(sizeof(struct hd_driveid), GFP_KERNEL);
- info->RegsBuf = (unsigned char *)
- kmalloc(sizeof(info->ATARegs), GFP_KERNEL);
+ info->RegsBuf = kmalloc(sizeof(info->ATARegs), GFP_KERNEL);
info->srb.sense_buffer =
kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
if (!info->id || !info->RegsBuf || !info->srb.sense_buffer) {
--- linux-2.6.git/drivers/mtd/maps/tqm8xxl.c
+++ linux-2.6.git/drivers/mtd/maps/tqm8xxl.c
@@ -141,7 +141,7 @@ int __init init_tqm_mtd(void)
goto error_mem;
}

- map_banks[idx]->name = (char *)kmalloc(16, GFP_KERNEL);
+ map_banks[idx]->name = kmalloc(16, GFP_KERNEL);

if (!map_banks[idx]->name) {
ret = -ENOMEM;
--- linux-2.6.git/net/sctp/protocol.c
+++ linux-2.6.git/net/sctp/protocol.c
@@ -1188,8 +1188,8 @@ SCTP_STATIC __init int sctp_init(void)

/* Allocate and initialize the endpoint hash table. */
sctp_ep_hashsize = 64;
- sctp_ep_hashtable = (struct sctp_hashbucket *)
- kmalloc(64 * sizeof(struct sctp_hashbucket), GFP_KERNEL);
+ sctp_ep_hashtable = kmalloc(64 *
+ sizeof(struct sctp_hashbucket), GFP_KERNEL);
if (!sctp_ep_hashtable) {
printk(KERN_ERR "SCTP: Failed endpoint_hash alloc.\n");
status = -ENOMEM;
--- linux-2.6.git/net/ipv6/mcast.c
+++ linux-2.6.git/net/ipv6/mcast.c
@@ -2044,8 +2044,7 @@ static int sf_setstate(struct ifmcaddr6
&psf->sf_addr))
break;
if (!dpsf) {
- dpsf = (struct ip6_sf_list *)
- kmalloc(sizeof(*dpsf), GFP_ATOMIC);
+ dpsf = kmalloc(sizeof(*dpsf), GFP_ATOMIC);
if (!dpsf)
continue;
*dpsf = *psf;
--- linux-2.6.git/net/ipv4/igmp.c
+++ linux-2.6.git/net/ipv4/igmp.c
@@ -1638,8 +1638,7 @@ static int sf_setstate(struct ip_mc_list
if (dpsf->sf_inaddr == psf->sf_inaddr)
break;
if (!dpsf) {
- dpsf = (struct ip_sf_list *)
- kmalloc(sizeof(*dpsf), GFP_ATOMIC);
+ dpsf = kmalloc(sizeof(*dpsf), GFP_ATOMIC);
if (!dpsf)
continue;
*dpsf = *psf;
--- linux-2.6.git/fs/ufs/util.c
+++ linux-2.6.git/fs/ufs/util.c
@@ -26,8 +26,7 @@ struct ufs_buffer_head * _ubh_bread_ (st
count = size >> uspi->s_fshift;
if (count > UFS_MAXFRAG)
return NULL;
- ubh = (struct ufs_buffer_head *)
- kmalloc (sizeof (struct ufs_buffer_head), GFP_KERNEL);
+ ubh = kmalloc(sizeof(struct ufs_buffer_head), GFP_KERNEL);
if (!ubh)
return NULL;
ubh->fragment = fragment;
--- linux-2.6.git/fs/befs/btree.c
+++ linux-2.6.git/fs/befs/btree.c
@@ -436,8 +436,8 @@ befs_btree_read(struct super_block *sb,
goto error;
}

- if ((this_node = (befs_btree_node *)
- kmalloc(sizeof (befs_btree_node), GFP_NOFS)) == NULL) {
+ this_node = kmalloc(sizeof(befs_btree_node), GFP_NOFS);
+ if (!this_node) {
befs_error(sb, "befs_btree_read() failed to allocate %u "
"bytes of memory", sizeof (befs_btree_node));
goto error;
--- linux-2.6.git/security/selinux/ss/conditional.c
+++ linux-2.6.git/security/selinux/ss/conditional.c
@@ -171,8 +171,8 @@ void cond_policydb_destroy(struct policy
int cond_init_bool_indexes(struct policydb *p)
{
kfree(p->bool_val_to_struct);
- p->bool_val_to_struct = (struct cond_bool_datum **)
- kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum *), GFP_KERNEL);
+ p->bool_val_to_struct = kmalloc(p->p_bools.nprim *
+ sizeof(struct cond_bool_datum *), GFP_KERNEL);
if (!p->bool_val_to_struct)
return -1;
return 0;
--- linux-2.6.git/arch/powerpc/kernel/nvram_64.c
+++ linux-2.6.git/arch/powerpc/kernel/nvram_64.c
@@ -527,8 +527,7 @@ static int nvram_scan_partitions(void)
"detected: 0-length partition\n");
goto out;
}
- tmp_part = (struct nvram_partition *)
- kmalloc(sizeof(struct nvram_partition), GFP_KERNEL);
+ tmp_part = kmalloc(sizeof(struct nvram_partition), GFP_KERNEL);
err = -ENOMEM;
if (!tmp_part) {
printk(KERN_ERR "nvram_scan_partitions: kmalloc failed\n");
--- linux-2.6.git/arch/cris/arch-v32/mm/intmem.c
+++ linux-2.6.git/arch/cris/arch-v32/mm/intmem.c
@@ -33,8 +33,8 @@ static void crisv32_intmem_init(void)
{
static int initiated = 0;
if (!initiated) {
- struct intmem_allocation* alloc =
- (struct intmem_allocation*)kmalloc(sizeof *alloc, GFP_KERNEL);
+ struct intmem_allocation *alloc =
+ kmalloc(sizeof(*alloc), GFP_KERNEL);
INIT_LIST_HEAD(&intmem_allocations);
intmem_virtual = ioremap(MEM_INTMEM_START + RESERVED_SIZE,
MEM_INTMEM_SIZE - RESERVED_SIZE);
@@ -62,9 +61,8 @@ void* crisv32_intmem_alloc(unsigned size
if (allocation->status == STATUS_FREE &&
allocation->size >= size + alignment) {
if (allocation->size > size + alignment) {
- struct intmem_allocation* alloc =
- (struct intmem_allocation*)
- kmalloc(sizeof *alloc, GFP_ATOMIC);
+ struct intmem_allocation *alloc =
+ kmalloc(sizeof(*alloc), GFP_ATOMIC);
alloc->status = STATUS_FREE;
alloc->size = allocation->size - size -
alignment;
@@ -74,8 +71,6 @@ void* crisv32_intmem_alloc(unsigned size

if (alignment) {
struct intmem_allocation *tmp;
- tmp = (struct intmem_allocation *)
- kmalloc(sizeof *tmp,
- GFP_ATOMIC);
+ tmp = kmalloc(sizeof(*tmp), GFP_ATOMIC);
tmp->offset = allocation->offset;
tmp->size = alignment;
--- linux-2.6.git/arch/ia64/kernel/mca_drv.c
+++ linux-2.6.git/arch/ia64/kernel/mca_drv.c
@@ -348,8 +348,8 @@ init_record_index_pools(void)

/* - 3 - */
slidx_pool.max_idx = (rec_max_size/sect_min_size) * 2 + 1;
- slidx_pool.buffer = (slidx_list_t *)
- kmalloc(slidx_pool.max_idx * sizeof(slidx_list_t), GFP_KERNEL);
+ slidx_pool.buffer = kmalloc(slidx_pool.max_idx *
+ sizeof(slidx_list_t), GFP_KERNEL);

return slidx_pool.buffer ? 0 : -ENOMEM;
}
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