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path: root/drivers/ieee1394/raw1394.c
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Diffstat (limited to 'drivers/ieee1394/raw1394.c')
-rw-r--r--drivers/ieee1394/raw1394.c79
1 files changed, 37 insertions, 42 deletions
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 24411e666b21..b05235639918 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -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;
@@ -2136,7 +2131,6 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
req->req.length)) {
csr1212_release_keyval(fi->csr1212_dirs[dr]);
fi->csr1212_dirs[dr] = NULL;
- CSR1212_FREE(cache);
ret = -EFAULT;
} else {
cache->len = req->req.length;
@@ -2172,7 +2166,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
}
}
kfree(cache->filled_head);
- kfree(cache);
+ CSR1212_FREE(cache);
if (ret >= 0) {
/* we have to free the request, because we queue no response,
@@ -2488,8 +2482,8 @@ static int raw1394_iso_recv_packets(struct file_info *fi, void __user * uaddr)
/* ensure user-supplied buffer is accessible and big enough */
if (!access_ok(VERIFY_WRITE, upackets.infos,
- upackets.n_packets *
- sizeof(struct raw1394_iso_packet_info)))
+ upackets.n_packets *
+ sizeof(struct raw1394_iso_packet_info)))
return -EFAULT;
/* copy the packet_infos out */
@@ -2522,8 +2516,8 @@ static int raw1394_iso_send_packets(struct file_info *fi, void __user * uaddr)
/* ensure user-supplied buffer is accessible and big enough */
if (!access_ok(VERIFY_READ, upackets.infos,
- upackets.n_packets *
- sizeof(struct raw1394_iso_packet_info)))
+ upackets.n_packets *
+ sizeof(struct raw1394_iso_packet_info)))
return -EFAULT;
/* copy the infos structs in and queue the packets */
@@ -2684,11 +2678,10 @@ 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);
@@ -2748,8 +2741,7 @@ static int raw1394_release(struct inode *inode, struct file *file)
list) {
entry = fi_hlp->addr_list.next;
while (entry != &(fi_hlp->addr_list)) {
- arm_addr = list_entry(entry,
- struct
+ arm_addr = list_entry(entry, struct
arm_addr,
addr_list);
if (arm_addr->start ==
@@ -2912,16 +2904,17 @@ static int __init init_raw1394(void)
hpsb_register_highlevel(&raw1394_highlevel);
- if (IS_ERR(class_device_create(hpsb_protocol_class, NULL, MKDEV(
- IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16),
- NULL, RAW1394_DEVICE_NAME))) {
+ if (IS_ERR
+ (class_device_create
+ (hpsb_protocol_class, NULL,
+ MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16), NULL,
+ RAW1394_DEVICE_NAME))) {
ret = -EFAULT;
goto out_unreg;
}
-
- devfs_mk_cdev(MKDEV(
- IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16),
- S_IFCHR | S_IRUSR | S_IWUSR, RAW1394_DEVICE_NAME);
+
+ devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16),
+ S_IFCHR | S_IRUSR | S_IWUSR, RAW1394_DEVICE_NAME);
cdev_init(&raw1394_cdev, &raw1394_fops);
raw1394_cdev.owner = THIS_MODULE;
@@ -2943,20 +2936,22 @@ static int __init init_raw1394(void)
goto out;
-out_dev:
+ out_dev:
devfs_remove(RAW1394_DEVICE_NAME);
class_device_destroy(hpsb_protocol_class,
- MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16));
-out_unreg:
+ MKDEV(IEEE1394_MAJOR,
+ IEEE1394_MINOR_BLOCK_RAW1394 * 16));
+ out_unreg:
hpsb_unregister_highlevel(&raw1394_highlevel);
-out:
+ out:
return ret;
}
static void __exit cleanup_raw1394(void)
{
class_device_destroy(hpsb_protocol_class,
- MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16));
+ MKDEV(IEEE1394_MAJOR,
+ IEEE1394_MINOR_BLOCK_RAW1394 * 16));
cdev_del(&raw1394_cdev);
devfs_remove(RAW1394_DEVICE_NAME);
hpsb_unregister_highlevel(&raw1394_highlevel);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 05:37:52 +0100