microsoft
/
WSL2-Linux-Kernel
зеркало из https://github.com/microsoft/WSL2-Linux-Kernel.git
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kmalloc/kzalloc changes: 

dv1394, eth1394, ieee1394, ohci1394, pcilynx, raw1394, sbp2c, video1394:
 - use kzalloc
 - provide safer size arguments to kmalloc and kzalloc
 - omit some casts

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
This commit is contained in:
Stefan Richter 2005-11-07 06:31:45 -05:00 коммит произвёл Jody McIntyre
Родитель 7afa146776
Коммит 8551158abc
12 изменённых файлов: 84 добавлений и 142 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

11
drivers/ieee1394/csr1212.c
Просмотреть файл

@ -1261,7 +1261,7 @@ static int csr1212_parse_bus_info_block(struct csr1212_csr *csr)
return CSR1212_EINVAL;
#endif
cr = CSR1212_MALLOC(sizeof(struct csr1212_cache_region));
cr = CSR1212_MALLOC(sizeof(*cr));
if (!cr)
return CSR1212_ENOMEM;
@ -1393,8 +1393,7 @@ int csr1212_parse_keyval(struct csr1212_keyval *kv,
case CSR1212_KV_TYPE_LEAF:
if (kv->key.id != CSR1212_KV_ID_EXTENDED_ROM) {
kv->value.leaf.data = CSR1212_MALLOC(quads_to_bytes(kvi_len));
if (!kv->value.leaf.data)
{
if (!kv->value.leaf.data) {
ret = CSR1212_ENOMEM;
goto fail;
}
@ -1462,7 +1461,7 @@ int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv)
cache->next = NULL;
csr->cache_tail = cache;
cache->filled_head =
CSR1212_MALLOC(sizeof(struct csr1212_cache_region));
CSR1212_MALLOC(sizeof(*cache->filled_head));
if (!cache->filled_head) {
return CSR1212_ENOMEM;
}
@ -1484,7 +1483,7 @@ int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv)
/* Now seach read portions of the cache to see if it is there. */
for (cr = cache->filled_head; cr; cr = cr->next) {
if (cache_index < cr->offset_start) {
newcr = CSR1212_MALLOC(sizeof(struct csr1212_cache_region));
newcr = CSR1212_MALLOC(sizeof(*newcr));
if (!newcr)
return CSR1212_ENOMEM;
@ -1508,7 +1507,7 @@ int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv)
if (!cr) {
cr = cache->filled_tail;
newcr = CSR1212_MALLOC(sizeof(struct csr1212_cache_region));
newcr = CSR1212_MALLOC(sizeof(*newcr));
if (!newcr)
return CSR1212_ENOMEM;

2
drivers/ieee1394/csr1212.h
Просмотреть файл

@ -646,7 +646,7 @@ static inline struct csr1212_csr_rom_cache *csr1212_rom_cache_malloc(u_int32_t o
{
struct csr1212_csr_rom_cache *cache;
cache = CSR1212_MALLOC(sizeof(struct csr1212_csr_rom_cache) + size);
cache = CSR1212_MALLOC(sizeof(*cache) + size);
if (!cache)
return NULL;

4
drivers/ieee1394/dv1394.c
Просмотреть файл

@ -2218,14 +2218,12 @@ static int dv1394_init(struct ti_ohci *ohci, enum pal_or_ntsc format, enum modes
unsigned long flags;
int i;
video = kmalloc(sizeof(struct video_card), GFP_KERNEL);
video = kzalloc(sizeof(*video), GFP_KERNEL);
if (!video) {
printk(KERN_ERR "dv1394: cannot allocate video_card\n");
goto err;
}
memset(video, 0, sizeof(struct video_card));
video->ohci = ohci;
/* lower 2 bits of id indicate which of four "plugs"
per host */

12
drivers/ieee1394/eth1394.c
Просмотреть файл

@ -352,12 +352,12 @@ static int eth1394_probe(struct device *dev)
if (!hi)
return -ENOENT;
new_node = kmalloc(sizeof(struct eth1394_node_ref),
new_node = kmalloc(sizeof(*new_node),
in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
if (!new_node)
return -ENOMEM;
node_info = kmalloc(sizeof(struct eth1394_node_info),
node_info = kmalloc(sizeof(*node_info),
in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
if (!node_info) {
kfree(new_node);
@ -433,12 +433,12 @@ static int eth1394_update(struct unit_directory *ud)
node = eth1394_find_node(&priv->ip_node_list, ud);
if (!node) {
node = kmalloc(sizeof(struct eth1394_node_ref),
node = kmalloc(sizeof(*node),
in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
if (!node)
return -ENOMEM;
node_info = kmalloc(sizeof(struct eth1394_node_info),
node_info = kmalloc(sizeof(*node_info),
in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
if (!node_info) {
kfree(node);
@ -1014,7 +1014,7 @@ static inline int new_fragment(struct list_head *frag_info, int offset, int len)
}
}
new = kmalloc(sizeof(struct fragment_info), GFP_ATOMIC);
new = kmalloc(sizeof(*new), GFP_ATOMIC);
if (!new)
return -ENOMEM;
@ -1033,7 +1033,7 @@ static inline int new_partial_datagram(struct net_device *dev,
{
struct partial_datagram *new;
new = kmalloc(sizeof(struct partial_datagram), GFP_ATOMIC);
new = kmalloc(sizeof(*new), GFP_ATOMIC);
if (!new)
return -ENOMEM;

18
drivers/ieee1394/highlevel.c
Просмотреть файл

@ -101,12 +101,10 @@ void *hpsb_create_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host,
return NULL;
}
hi = kmalloc(sizeof(*hi) + data_size, GFP_ATOMIC);
hi = kzalloc(sizeof(*hi) + data_size, GFP_ATOMIC);
if (!hi)
return NULL;
memset(hi, 0, sizeof(*hi) + data_size);
if (data_size) {
data = hi->data = hi + 1;
hi->size = data_size;
@ -326,11 +324,9 @@ u64 hpsb_allocate_and_register_addrspace(struct hpsb_highlevel *hl,
return retval;
}
as = (struct hpsb_address_serve *)
kmalloc(sizeof(struct hpsb_address_serve), GFP_KERNEL);
if (as == NULL) {
as = kmalloc(sizeof(*as), GFP_KERNEL);
if (!as)
return retval;
}
INIT_LIST_HEAD(&as->host_list);
INIT_LIST_HEAD(&as->hl_list);
@ -383,11 +379,9 @@ int hpsb_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host,
return 0;
}
as = (struct hpsb_address_serve *)
kmalloc(sizeof(struct hpsb_address_serve), GFP_ATOMIC);
if (as == NULL) {
return 0;
}
as = kmalloc(sizeof(*as), GFP_ATOMIC);
if (!as)
return 0;
INIT_LIST_HEAD(&as->host_list);
INIT_LIST_HEAD(&as->hl_list);

6
drivers/ieee1394/hosts.c
Просмотреть файл

@ -114,9 +114,9 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
int i;
int hostnum = 0;
h = kmalloc(sizeof(struct hpsb_host) + extra, SLAB_KERNEL);
if (!h) return NULL;
memset(h, 0, sizeof(struct hpsb_host) + extra);
h = kzalloc(sizeof(*h) + extra, SLAB_KERNEL);
if (!h)
return NULL;
h->csr.rom = csr1212_create_csr(&csr_bus_ops, CSR_BUS_INFO_SIZE, h);
if (!h->csr.rom) {

27
drivers/ieee1394/nodemgr.c
Просмотреть файл

@ -743,21 +743,20 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr
unsigned int generation)
{
struct hpsb_host *host = hi->host;
struct node_entry *ne;
struct node_entry *ne;
ne = kmalloc(sizeof(struct node_entry), GFP_KERNEL);
if (!ne) return NULL;
memset(ne, 0, sizeof(struct node_entry));
ne = kzalloc(sizeof(*ne), GFP_KERNEL);
if (!ne)
return NULL;
ne->tpool = &host->tpool[nodeid & NODE_MASK];
ne->host = host;
ne->nodeid = nodeid;
ne->host = host;
ne->nodeid = nodeid;
ne->generation = generation;
ne->needs_probe = 1;
ne->guid = guid;
ne->guid = guid;
ne->guid_vendor_id = (guid >> 40) & 0xffffff;
ne->guid_vendor_oui = nodemgr_find_oui_name(ne->guid_vendor_id);
ne->csr = csr;
@ -787,7 +786,7 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr
(host->node_id == nodeid) ? "Host" : "Node",
NODE_BUS_ARGS(host, nodeid), (unsigned long long)guid);
return ne;
return ne;
}
@ -872,12 +871,10 @@ static struct unit_directory *nodemgr_process_unit_directory
struct csr1212_keyval *kv;
u8 last_key_id = 0;
ud = kmalloc(sizeof(struct unit_directory), GFP_KERNEL);
ud = kzalloc(sizeof(*ud), GFP_KERNEL);
if (!ud)
goto unit_directory_error;
memset (ud, 0, sizeof(struct unit_directory));
ud->ne = ne;
ud->ignore_driver = ignore_drivers;
ud->address = ud_kv->offset + CSR1212_CONFIG_ROM_SPACE_BASE;
@ -937,10 +934,10 @@ static struct unit_directory *nodemgr_process_unit_directory
/* Logical Unit Number */
if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) {
if (ud->flags & UNIT_DIRECTORY_HAS_LUN) {
ud_child = kmalloc(sizeof(struct unit_directory), GFP_KERNEL);
ud_child = kmalloc(sizeof(*ud_child), GFP_KERNEL);
if (!ud_child)
goto unit_directory_error;
memcpy(ud_child, ud, sizeof(struct unit_directory));
memcpy(ud_child, ud, sizeof(*ud_child));
nodemgr_register_device(ne, ud_child, &ne->device);
ud_child = NULL;
@ -1200,7 +1197,7 @@ static void nodemgr_node_scan_one(struct host_info *hi,
struct csr1212_csr *csr;
struct nodemgr_csr_info *ci;
ci = kmalloc(sizeof(struct nodemgr_csr_info), GFP_KERNEL);
ci = kmalloc(sizeof(*ci), GFP_KERNEL);
if (!ci)
return;

20
drivers/ieee1394/ohci1394.c
Просмотреть файл

@ -2957,28 +2957,23 @@ alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d,
d->ctrlClear = 0;
d->cmdPtr = 0;
d->buf_cpu = kmalloc(d->num_desc * sizeof(quadlet_t*), GFP_ATOMIC);
d->buf_bus = kmalloc(d->num_desc * sizeof(dma_addr_t), GFP_ATOMIC);
d->buf_cpu = kzalloc(d->num_desc * sizeof(*d->buf_cpu), GFP_ATOMIC);
d->buf_bus = kzalloc(d->num_desc * sizeof(*d->buf_bus), GFP_ATOMIC);
if (d->buf_cpu == NULL || d->buf_bus == NULL) {
PRINT(KERN_ERR, "Failed to allocate dma buffer");
free_dma_rcv_ctx(d);
return -ENOMEM;
}
memset(d->buf_cpu, 0, d->num_desc * sizeof(quadlet_t*));
memset(d->buf_bus, 0, d->num_desc * sizeof(dma_addr_t));
d->prg_cpu = kmalloc(d->num_desc * sizeof(struct dma_cmd*),
GFP_ATOMIC);
d->prg_bus = kmalloc(d->num_desc * sizeof(dma_addr_t), GFP_ATOMIC);
d->prg_cpu = kzalloc(d->num_desc * sizeof(*d->prg_cpu), GFP_ATOMIC);
d->prg_bus = kzalloc(d->num_desc * sizeof(*d->prg_bus), GFP_ATOMIC);
if (d->prg_cpu == NULL || d->prg_bus == NULL) {
PRINT(KERN_ERR, "Failed to allocate dma prg");
free_dma_rcv_ctx(d);
return -ENOMEM;
}
memset(d->prg_cpu, 0, d->num_desc * sizeof(struct dma_cmd*));
memset(d->prg_bus, 0, d->num_desc * sizeof(dma_addr_t));
d->spb = kmalloc(d->split_buf_size, GFP_ATOMIC);
@ -3090,17 +3085,14 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d,
d->ctrlClear = 0;
d->cmdPtr = 0;
d->prg_cpu = kmalloc(d->num_desc * sizeof(struct at_dma_prg*),
GFP_KERNEL);
d->prg_bus = kmalloc(d->num_desc * sizeof(dma_addr_t), GFP_KERNEL);
d->prg_cpu = kzalloc(d->num_desc * sizeof(*d->prg_cpu), GFP_KERNEL);
d->prg_bus = kzalloc(d->num_desc * sizeof(*d->prg_bus), GFP_KERNEL);
if (d->prg_cpu == NULL || d->prg_bus == NULL) {
PRINT(KERN_ERR, "Failed to allocate at dma prg");
free_dma_trm_ctx(d);
return -ENOMEM;
}
memset(d->prg_cpu, 0, d->num_desc * sizeof(struct at_dma_prg*));
memset(d->prg_bus, 0, d->num_desc * sizeof(dma_addr_t));
len = sprintf(pool_name, "ohci1394_trm_prg");
sprintf(pool_name+len, "%d", num_allocs);

2
drivers/ieee1394/pcilynx.c
Просмотреть файл

@ -1435,7 +1435,7 @@ static int __devinit add_card(struct pci_dev *dev,
struct i2c_algo_bit_data i2c_adapter_data;
error = -ENOMEM;
i2c_ad = kmalloc(sizeof(struct i2c_adapter), SLAB_KERNEL);
i2c_ad = kmalloc(sizeof(*i2c_ad), SLAB_KERNEL);
if (!i2c_ad) FAIL("failed to allocate I2C adapter memory");
memcpy(i2c_ad, &bit_ops, sizeof(struct i2c_adapter));

38
drivers/ieee1394/raw1394.c
Просмотреть файл

@ -102,12 +102,9 @@ static struct pending_request *__alloc_pending_request(gfp_t flags)
{
struct pending_request *req;
req = (struct pending_request *)kmalloc(sizeof(struct pending_request),
flags);
if (req != NULL) {
memset(req, 0, sizeof(struct pending_request));
req = kzalloc(sizeof(*req), flags);
if (req)
INIT_LIST_HEAD(&req->list);
}
return req;
}
@ -192,9 +189,9 @@ static void add_host(struct hpsb_host *host)
struct host_info *hi;
unsigned long flags;
hi = (struct host_info *)kmalloc(sizeof(struct host_info), GFP_KERNEL);
hi = kmalloc(sizeof(*hi), GFP_KERNEL);
if (hi != NULL) {
if (hi) {
INIT_LIST_HEAD(&hi->list);
hi->host = host;
INIT_LIST_HEAD(&hi->file_info_list);
@ -315,8 +312,8 @@ static void iso_receive(struct hpsb_host *host, int channel, quadlet_t * data,
break;
if (!ibs) {
ibs = kmalloc(sizeof(struct iso_block_store)
+ length, SLAB_ATOMIC);
ibs = kmalloc(sizeof(*ibs) + length,
SLAB_ATOMIC);
if (!ibs) {
kfree(req);
break;
@ -376,8 +373,8 @@ static void fcp_request(struct hpsb_host *host, int nodeid, int direction,
break;
if (!ibs) {
ibs = kmalloc(sizeof(struct iso_block_store)
+ length, SLAB_ATOMIC);
ibs = kmalloc(sizeof(*ibs) + length,
SLAB_ATOMIC);
if (!ibs) {
kfree(req);
break;
@ -502,10 +499,9 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
switch (req->req.type) {
case RAW1394_REQ_LIST_CARDS:
spin_lock_irqsave(&host_info_lock, flags);
khl = kmalloc(sizeof(struct raw1394_khost_list) * host_count,
SLAB_ATOMIC);
khl = kmalloc(sizeof(*khl) * host_count, SLAB_ATOMIC);
if (khl != NULL) {
if (khl) {
req->req.misc = host_count;
req->data = (quadlet_t *) khl;
@ -517,7 +513,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
}
spin_unlock_irqrestore(&host_info_lock, flags);
if (khl != NULL) {
if (khl) {
req->req.error = RAW1394_ERROR_NONE;
req->req.length = min(req->req.length,
(u32) (sizeof
@ -1647,13 +1643,13 @@ static int arm_register(struct file_info *fi, struct pending_request *req)
return (-EINVAL);
}
/* addr-list-entry for fileinfo */
addr = (struct arm_addr *)kmalloc(sizeof(struct arm_addr), SLAB_KERNEL);
addr = kmalloc(sizeof(*addr), SLAB_KERNEL);
if (!addr) {
req->req.length = 0;
return (-ENOMEM);
}
/* allocation of addr_space_buffer */
addr->addr_space_buffer = (u8 *) vmalloc(req->req.length);
addr->addr_space_buffer = vmalloc(req->req.length);
if (!(addr->addr_space_buffer)) {
kfree(addr);
req->req.length = 0;
@ -2122,8 +2118,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
return -ENOMEM;
}
cache->filled_head =
kmalloc(sizeof(struct csr1212_cache_region), GFP_KERNEL);
cache->filled_head = kmalloc(sizeof(*cache->filled_head), GFP_KERNEL);
if (!cache->filled_head) {
csr1212_release_keyval(fi->csr1212_dirs[dr]);
fi->csr1212_dirs[dr] = NULL;
@ -2684,11 +2679,10 @@ static int raw1394_open(struct inode *inode, struct file *file)
{
struct file_info *fi;
fi = kmalloc(sizeof(struct file_info), SLAB_KERNEL);
if (fi == NULL)
fi = kzalloc(sizeof(*fi), SLAB_KERNEL);
if (!fi)
return -ENOMEM;
memset(fi, 0, sizeof(struct file_info));
fi->notification = (u8) RAW1394_NOTIFY_ON; /* busreset notification */
INIT_LIST_HEAD(&fi->list);

7
drivers/ieee1394/sbp2.c
Просмотреть файл

@ -411,14 +411,12 @@ static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_i
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
for (i = 0; i < orbs; i++) {
command = (struct sbp2_command_info *)
kmalloc(sizeof(struct sbp2_command_info), GFP_ATOMIC);
command = kzalloc(sizeof(*command), GFP_ATOMIC);
if (!command) {
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock,
flags);
return -ENOMEM;
}
memset(command, '\0', sizeof(struct sbp2_command_info));
command->command_orb_dma =
pci_map_single(hi->host->pdev, &command->command_orb,
sizeof(struct sbp2_command_orb),
@ -714,12 +712,11 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
SBP2_DEBUG("sbp2_alloc_device");
scsi_id = kmalloc(sizeof(*scsi_id), GFP_KERNEL);
scsi_id = kzalloc(sizeof(*scsi_id), GFP_KERNEL);
if (!scsi_id) {
SBP2_ERR("failed to create scsi_id");
goto failed_alloc;
}
memset(scsi_id, 0, sizeof(*scsi_id));
scsi_id->ne = ud->ne;
scsi_id->ud = ud;

79
drivers/ieee1394/video1394.c
Просмотреть файл

@ -206,14 +206,12 @@ alloc_dma_iso_ctx(struct ti_ohci *ohci, int type, int num_desc,
struct dma_iso_ctx *d;
int i;
d = kmalloc(sizeof(struct dma_iso_ctx), GFP_KERNEL);
if (d == NULL) {
d = kzalloc(sizeof(*d), GFP_KERNEL);
if (!d) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate dma_iso_ctx");
return NULL;
}
memset(d, 0, sizeof *d);
d->ohci = ohci;
d->type = type;
d->channel = channel;
@ -251,9 +249,8 @@ alloc_dma_iso_ctx(struct ti_ohci *ohci, int type, int num_desc,
}
d->ctx = d->iso_tasklet.context;
d->prg_reg = kmalloc(d->num_desc * sizeof(struct dma_prog_region),
GFP_KERNEL);
if (d->prg_reg == NULL) {
d->prg_reg = kmalloc(d->num_desc * sizeof(*d->prg_reg), GFP_KERNEL);
if (!d->prg_reg) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate ir prg regs");
free_dma_iso_ctx(d);
return NULL;
@ -268,15 +265,14 @@ alloc_dma_iso_ctx(struct ti_ohci *ohci, int type, int num_desc,
d->cmdPtr = OHCI1394_IsoRcvCommandPtr+32*d->ctx;
d->ctxMatch = OHCI1394_IsoRcvContextMatch+32*d->ctx;
d->ir_prg = kmalloc(d->num_desc * sizeof(struct dma_cmd *),
d->ir_prg = kzalloc(d->num_desc * sizeof(*d->ir_prg),
GFP_KERNEL);
if (d->ir_prg == NULL) {
if (!d->ir_prg) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate dma ir prg");
free_dma_iso_ctx(d);
return NULL;
}
memset(d->ir_prg, 0, d->num_desc * sizeof(struct dma_cmd *));
d->nb_cmd = d->buf_size / PAGE_SIZE + 1;
d->left_size = (d->frame_size % PAGE_SIZE) ?
@ -297,16 +293,15 @@ alloc_dma_iso_ctx(struct ti_ohci *ohci, int type, int num_desc,
d->ctrlClear = OHCI1394_IsoXmitContextControlClear+16*d->ctx;
d->cmdPtr = OHCI1394_IsoXmitCommandPtr+16*d->ctx;
d->it_prg = kmalloc(d->num_desc * sizeof(struct it_dma_prg *),
d->it_prg = kzalloc(d->num_desc * sizeof(*d->it_prg),
GFP_KERNEL);
if (d->it_prg == NULL) {
if (!d->it_prg) {
PRINT(KERN_ERR, ohci->host->id,
"Failed to allocate dma it prg");
free_dma_iso_ctx(d);
return NULL;
}
memset(d->it_prg, 0, d->num_desc*sizeof(struct it_dma_prg *));
d->packet_size = packet_size;
@ -337,47 +332,24 @@ alloc_dma_iso_ctx(struct ti_ohci *ohci, int type, int num_desc,
}
}
d->buffer_status = kmalloc(d->num_desc * sizeof(unsigned int),
GFP_KERNEL);
d->buffer_prg_assignment = kmalloc(d->num_desc * sizeof(unsigned int),
GFP_KERNEL);
d->buffer_time = kmalloc(d->num_desc * sizeof(struct timeval),
GFP_KERNEL);
d->last_used_cmd = kmalloc(d->num_desc * sizeof(unsigned int),
GFP_KERNEL);
d->next_buffer = kmalloc(d->num_desc * sizeof(int),
GFP_KERNEL);
d->buffer_status =
kzalloc(d->num_desc * sizeof(*d->buffer_status), GFP_KERNEL);
d->buffer_prg_assignment =
kzalloc(d->num_desc * sizeof(*d->buffer_prg_assignment), GFP_KERNEL);
d->buffer_time =
kzalloc(d->num_desc * sizeof(*d->buffer_time), GFP_KERNEL);
d->last_used_cmd =
kzalloc(d->num_desc * sizeof(*d->last_used_cmd), GFP_KERNEL);
d->next_buffer =
kzalloc(d->num_desc * sizeof(*d->next_buffer), GFP_KERNEL);
if (d->buffer_status == NULL) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate buffer_status");
if (!d->buffer_status || !d->buffer_prg_assignment || !d->buffer_time ||
!d->last_used_cmd || !d->next_buffer) {
PRINT(KERN_ERR, ohci->host->id,
"Failed to allocate dma_iso_ctx member");
free_dma_iso_ctx(d);
return NULL;
}
if (d->buffer_prg_assignment == NULL) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate buffer_prg_assignment");
free_dma_iso_ctx(d);
return NULL;
}
if (d->buffer_time == NULL) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate buffer_time");
free_dma_iso_ctx(d);
return NULL;
}
if (d->last_used_cmd == NULL) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate last_used_cmd");
free_dma_iso_ctx(d);
return NULL;
}
if (d->next_buffer == NULL) {
PRINT(KERN_ERR, ohci->host->id, "Failed to allocate next_buffer");
free_dma_iso_ctx(d);
return NULL;
}
memset(d->buffer_status, 0, d->num_desc * sizeof(unsigned int));
memset(d->buffer_prg_assignment, 0, d->num_desc * sizeof(unsigned int));
memset(d->buffer_time, 0, d->num_desc * sizeof(struct timeval));
memset(d->last_used_cmd, 0, d->num_desc * sizeof(unsigned int));
memset(d->next_buffer, -1, d->num_desc * sizeof(int));
spin_lock_init(&d->lock);
@ -1085,7 +1057,7 @@ static int __video1394_ioctl(struct file *file,
}
if (d->flags & VIDEO1394_VARIABLE_PACKET_SIZE) {
int buf_size = d->nb_cmd * sizeof(unsigned int);
int buf_size = d->nb_cmd * sizeof(*psizes);
struct video1394_queue_variable __user *p = argp;
unsigned int __user *qv;
@ -1251,13 +1223,12 @@ static int video1394_open(struct inode *inode, struct file *file)
if (ohci == NULL)
return -EIO;
ctx = kmalloc(sizeof(struct file_ctx), GFP_KERNEL);
if (ctx == NULL) {
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx) {
PRINT(KERN_ERR, ohci->host->id, "Cannot malloc file_ctx");
return -ENOMEM;
}
memset(ctx, 0, sizeof(struct file_ctx));
ctx->ohci = ohci;
INIT_LIST_HEAD(&ctx->context_list);
ctx->current_ctx = NULL;