* prototypes
*/
-int pcbit_command(isdn_ctrl* ctl);
-int pcbit_stat(u_char __user * buf, int len, int, int);
-int pcbit_xmit(int driver, int chan, int ack, struct sk_buff *skb);
-int pcbit_writecmd(const u_char __user *, int, int, int);
+static int pcbit_command(isdn_ctrl* ctl);
+static int pcbit_stat(u_char __user * buf, int len, int, int);
+static int pcbit_xmit(int driver, int chan, int ack, struct sk_buff *skb);
+static int pcbit_writecmd(const u_char __user *, int, int, int);
static int set_protocol_running(struct pcbit_dev * dev);
static int pcbit_check_msn(struct pcbit_dev *dev, char *msn);
-extern void pcbit_deliver(void * data);
-
int pcbit_init_dev(int board, int mem_base, int irq)
{
struct pcbit_dev *dev;
isdn_if *dev_if;
- if ((dev=kmalloc(sizeof(struct pcbit_dev), GFP_KERNEL)) == NULL)
+ if ((dev=kzalloc(sizeof(struct pcbit_dev), GFP_KERNEL)) == NULL)
{
printk("pcbit_init: couldn't malloc pcbit_dev struct\n");
return -ENOMEM;
}
dev_pcbit[board] = dev;
- memset(dev, 0, sizeof(struct pcbit_dev));
init_waitqueue_head(&dev->set_running_wq);
spin_lock_init(&dev->lock);
dev_pcbit[board] = NULL;
return -EACCES;
}
- dev->sh_mem = (unsigned char*)ioremap(dev->ph_mem, 4096);
+ dev->sh_mem = ioremap(dev->ph_mem, 4096);
}
else
{
return -EACCES;
}
- dev->b1 = kmalloc(sizeof(struct pcbit_chan), GFP_KERNEL);
+ dev->b1 = kzalloc(sizeof(struct pcbit_chan), GFP_KERNEL);
if (!dev->b1) {
printk("pcbit_init: couldn't malloc pcbit_chan struct\n");
- iounmap((unsigned char*)dev->sh_mem);
+ iounmap(dev->sh_mem);
release_mem_region(dev->ph_mem, 4096);
kfree(dev);
return -ENOMEM;
}
- dev->b2 = kmalloc(sizeof(struct pcbit_chan), GFP_KERNEL);
+ dev->b2 = kzalloc(sizeof(struct pcbit_chan), GFP_KERNEL);
if (!dev->b2) {
printk("pcbit_init: couldn't malloc pcbit_chan struct\n");
kfree(dev->b1);
- iounmap((unsigned char*)dev->sh_mem);
+ iounmap(dev->sh_mem);
release_mem_region(dev->ph_mem, 4096);
kfree(dev);
return -ENOMEM;
}
- memset(dev->b1, 0, sizeof(struct pcbit_chan));
- memset(dev->b2, 0, sizeof(struct pcbit_chan));
dev->b2->id = 1;
- INIT_WORK(&dev->qdelivery, pcbit_deliver, dev);
+ INIT_WORK(&dev->qdelivery, pcbit_deliver);
/*
* interrupts
{
kfree(dev->b1);
kfree(dev->b2);
- iounmap((unsigned char*)dev->sh_mem);
+ iounmap(dev->sh_mem);
release_mem_region(dev->ph_mem, 4096);
kfree(dev);
dev_pcbit[board] = NULL;
free_irq(irq, dev);
kfree(dev->b1);
kfree(dev->b2);
- iounmap((unsigned char*)dev->sh_mem);
+ iounmap(dev->sh_mem);
release_mem_region(dev->ph_mem, 4096);
kfree(dev);
dev_pcbit[board] = NULL;
free_irq(irq, dev);
kfree(dev->b1);
kfree(dev->b2);
- iounmap((unsigned char*)dev->sh_mem);
+ iounmap(dev->sh_mem);
release_mem_region(dev->ph_mem, 4096);
kfree(dev);
dev_pcbit[board] = NULL;
del_timer(&dev->b2->fsm_timer);
kfree(dev->b1);
kfree(dev->b2);
- iounmap((unsigned char*)dev->sh_mem);
+ iounmap(dev->sh_mem);
release_mem_region(dev->ph_mem, 4096);
kfree(dev);
}
}
#endif
-int pcbit_command(isdn_ctrl* ctl)
+static int pcbit_command(isdn_ctrl* ctl)
{
struct pcbit_dev *dev;
struct pcbit_chan *chan;
}
#endif
-int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
+static int pcbit_xmit(int driver, int chnum, int ack, struct sk_buff *skb)
{
ushort hdrlen;
int refnum, len;
return len;
}
-int pcbit_writecmd(const u_char __user *buf, int len, int driver, int channel)
+static int pcbit_writecmd(const u_char __user *buf, int len, int driver, int channel)
{
struct pcbit_dev * dev;
int i, j;
else
pcbit_fsm_event(dev, chan, EV_USR_RELEASE_REQ, NULL);
- if (cbdata.data.setup.CalledPN)
- kfree(cbdata.data.setup.CalledPN);
- if (cbdata.data.setup.CallingPN)
- kfree(cbdata.data.setup.CallingPN);
+ kfree(cbdata.data.setup.CalledPN);
+ kfree(cbdata.data.setup.CallingPN);
break;
case MSG_CONN_CONF:
static int stat_st = 0;
static int stat_end = 0;
-int pcbit_stat(u_char __user *buf, int len, int driver, int channel)
+static int pcbit_stat(u_char __user *buf, int len, int driver, int channel)
{
int stat_count;
stat_count = stat_end - stat_st;
if (stat_st < stat_end)
{
- copy_to_user(buf, statbuf + stat_st, len);
+ if (copy_to_user(buf, statbuf + stat_st, len))
+ return -EFAULT;
stat_st += len;
}
else
{
if (len > STATBUF_LEN - stat_st)
{
- copy_to_user(buf, statbuf + stat_st,
- STATBUF_LEN - stat_st);
- copy_to_user(buf, statbuf,
- len - (STATBUF_LEN - stat_st));
+ if (copy_to_user(buf, statbuf + stat_st,
+ STATBUF_LEN - stat_st))
+ return -EFAULT;
+ if (copy_to_user(buf, statbuf,
+ len - (STATBUF_LEN - stat_st)))
+ return -EFAULT;
stat_st = len - (STATBUF_LEN - stat_st);
}
else
{
- copy_to_user(buf, statbuf + stat_st, len);
+ if (copy_to_user(buf, statbuf + stat_st, len))
+ return -EFAULT;
stat_st += len;
printk(KERN_DEBUG "Bank3 = %02x\n",
readb(dev->sh_mem + BANK3));
#endif
- *(dev->sh_mem + BANK4) = 0x40U;
+ writeb(0x40, dev->sh_mem + BANK4);
/* warn the upper layer */
ctl.driver = dev->id;