*/
int pcbit_command(isdn_ctrl* ctl);
-int pcbit_stat(u_char* buf, int len, int user, int, int);
+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*, int, int, int, int);
+int pcbit_writecmd(const u_char __user *, int, int, int);
static int set_protocol_running(struct pcbit_dev * dev);
return len;
}
-int pcbit_writecmd(const u_char* buf, int len, int user, int driver, int channel)
+int pcbit_writecmd(const u_char __user *buf, int len, int driver, int channel)
{
struct pcbit_dev * dev;
int i, j;
const u_char * loadbuf;
u_char * ptr = NULL;
+ u_char *cbuf;
int errstat;
return -EINVAL;
}
- if (user)
- {
- u_char *cbuf = kmalloc(len, GFP_KERNEL);
- if (!cbuf)
- return -ENOMEM;
+ cbuf = kmalloc(len, GFP_KERNEL);
+ if (!cbuf)
+ return -ENOMEM;
- if (copy_from_user(cbuf, buf, len)) {
- kfree(cbuf);
- return -EFAULT;
- }
- memcpy_toio(dev->sh_mem, cbuf, len);
+ if (copy_from_user(cbuf, buf, len)) {
kfree(cbuf);
+ return -EFAULT;
}
- else
- memcpy_toio(dev->sh_mem, buf, len);
+ memcpy_toio(dev->sh_mem, cbuf, len);
+ kfree(cbuf);
return len;
case L2_FWMODE:
/* this is the hard part */
/* dumb board */
- if (user) {
- /* get it into kernel space */
- if ((ptr = kmalloc(len, GFP_KERNEL))==NULL)
- return -ENOMEM;
- if (copy_from_user(ptr, buf, len)) {
- kfree(ptr);
- return -EFAULT;
- }
- loadbuf = ptr;
+ /* get it into kernel space */
+ if ((ptr = kmalloc(len, GFP_KERNEL))==NULL)
+ return -ENOMEM;
+ if (copy_from_user(ptr, buf, len)) {
+ kfree(ptr);
+ return -EFAULT;
}
- else
- loadbuf = buf;
+ loadbuf = ptr;
errstat = 0;
if (dev->loadptr > LOAD_ZONE_END)
dev->loadptr = LOAD_ZONE_START;
}
-
- if (user)
- kfree(ptr);
+ kfree(ptr);
return errstat ? errstat : len;
default:
static int stat_st = 0;
static int stat_end = 0;
-
-static __inline void
-memcpy_to_COND(int flag, char *d, const char *s, int len) {
- if (flag)
- copy_to_user(d, s, len);
- else
- memcpy(d, s, len);
-}
-
-
-int pcbit_stat(u_char* buf, int len, int user, int driver, int channel)
+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)
{
- memcpy_to_COND(user, buf, statbuf + stat_st, len);
+ copy_to_user(buf, statbuf + stat_st, len);
stat_st += len;
}
else
{
if (len > STATBUF_LEN - stat_st)
{
- memcpy_to_COND(user, buf, statbuf + stat_st,
+ copy_to_user(buf, statbuf + stat_st,
STATBUF_LEN - stat_st);
- memcpy_to_COND(user, buf, statbuf,
+ copy_to_user(buf, statbuf,
len - (STATBUF_LEN - stat_st));
stat_st = len - (STATBUF_LEN - stat_st);
}
else
{
- memcpy_to_COND(user, buf, statbuf + stat_st,
- len);
+ copy_to_user(buf, statbuf + stat_st, len);
stat_st += len;