unsigned int rtlx_read_poll(int index, int can_sleep)
{
- struct rtlx_channel *chan;
+ struct rtlx_channel *chan;
- if (rtlx == NULL)
- return 0;
+ if (rtlx == NULL)
+ return 0;
- chan = &rtlx->channel[index];
+ chan = &rtlx->channel[index];
/* data available to read? */
if (chan->lx_read == chan->lx_write) {
static unsigned int file_poll(struct file *file, poll_table * wait)
{
- int minor;
+ int minor = iminor(file_inode(file));
unsigned int mask = 0;
- minor = iminor(file->f_path.dentry->d_inode);
-
poll_wait(file, &channel_wqs[minor].rt_queue, wait);
poll_wait(file, &channel_wqs[minor].lx_queue, wait);
static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
loff_t * ppos)
{
- int minor = iminor(file->f_path.dentry->d_inode);
+ int minor = iminor(file_inode(file));
/* data available? */
if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
static ssize_t file_write(struct file *file, const char __user * buffer,
size_t count, loff_t * ppos)
{
- int minor;
- struct rtlx_channel *rt;
-
- minor = iminor(file->f_path.dentry->d_inode);
- rt = &rtlx->channel[minor];
+ int minor = iminor(file_inode(file));
+ struct rtlx_channel *rt = &rtlx->channel[minor];
/* any space left... */
if (!rtlx_write_poll(minor)) {
return -EAGAIN;
__wait_event_interruptible(channel_wqs[minor].rt_queue,
- rtlx_write_poll(minor),
- ret);
+ rtlx_write_poll(minor),
+ ret);
if (ret)
return ret;
}
static const struct file_operations rtlx_fops = {
.owner = THIS_MODULE,
- .open = file_open,
+ .open = file_open,
.release = file_release,
.write = file_write,
- .read = file_read,
- .poll = file_poll,
+ .read = file_read,
+ .poll = file_poll,
.llseek = noop_llseek,
};