"UML\n");
}
-static struct chan_ops not_configged_ops = {
+static const struct chan_ops not_configged_ops = {
.init = not_configged_init,
.open = not_configged_open,
.close = not_configged_close,
}
}
- if((tty->flip.flag_buf_ptr == NULL) ||
- (tty->flip.char_buf_ptr == NULL))
- return;
tty_insert_flip_char(tty, ch, TTY_NORMAL);
}
}
int console_open_chan(struct line *line, struct console *co,
- struct chan_opts *opts)
+ const struct chan_opts *opts)
{
int err;
return 0;
}
-void free_one_chan(struct chan *chan, int delay_free_irq)
+static void free_one_chan(struct chan *chan, int delay_free_irq)
{
list_del(&chan->list);
kfree(chan);
}
-void free_chan(struct list_head *chans, int delay_free_irq)
+static void free_chan(struct list_head *chans, int delay_free_irq)
{
struct list_head *ele, *next;
struct chan *chan;
struct chan_type {
char *key;
- struct chan_ops *ops;
+ const struct chan_ops *ops;
};
-struct chan_type chan_table[] = {
+static const struct chan_type chan_table[] = {
{ "fd", &fd_ops },
#ifdef CONFIG_NULL_CHAN
};
static struct chan *parse_chan(struct line *line, char *str, int device,
- struct chan_opts *opts)
+ const struct chan_opts *opts)
{
- struct chan_type *entry;
- struct chan_ops *ops;
+ const struct chan_type *entry;
+ const struct chan_ops *ops;
struct chan *chan;
void *data;
int i;
ops = NULL;
data = NULL;
- for(i = 0; i < sizeof(chan_table)/sizeof(chan_table[0]); i++){
+ for(i = 0; i < ARRAY_SIZE(chan_table); i++){
entry = &chan_table[i];
if(!strncmp(str, entry->key, strlen(entry->key))){
ops = entry->ops;
}
int parse_chan_pair(char *str, struct line *line, int device,
- struct chan_opts *opts)
+ const struct chan_opts *opts)
{
struct list_head *chans = &line->chan_list;
struct chan *new, *chan;
chan = list_entry(ele, struct chan, list);
if(!chan->input || (chan->ops->read == NULL)) continue;
do {
- if((tty != NULL) &&
- (tty->flip.count >= TTY_FLIPBUF_SIZE)){
+ if (tty && !tty_buffer_request_room(tty, 1)) {
schedule_delayed_work(task, 1);
goto out;
}