}
EXPORT_SYMBOL_GPL(tty_init_termios);
+int tty_standard_install(struct tty_driver *driver, struct tty_struct *tty)
+{
+ int ret = tty_init_termios(tty);
+ if (ret)
+ return ret;
+
+ tty_driver_kref_get(driver);
+ tty->count++;
+ driver->ttys[tty->index] = tty;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tty_standard_install);
+
/**
* tty_driver_install_tty() - install a tty entry in the driver
* @driver: the driver for the tty
static int tty_driver_install_tty(struct tty_driver *driver,
struct tty_struct *tty)
{
- int idx = tty->index;
- int ret;
-
- if (driver->ops->install) {
- ret = driver->ops->install(driver, tty);
- return ret;
- }
-
- if (tty_init_termios(tty) == 0) {
- tty_driver_kref_get(driver);
- tty->count++;
- driver->ttys[idx] = tty;
- return 0;
- }
- return -ENOMEM;
+ return driver->ops->install ? driver->ops->install(driver, tty) :
+ tty_standard_install(driver, tty);
}
/**
extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx);
extern int tty_release(struct inode *inode, struct file *filp);
extern int tty_init_termios(struct tty_struct *tty);
+extern int tty_standard_install(struct tty_driver *driver,
+ struct tty_struct *tty);
extern struct tty_struct *tty_pair_get_tty(struct tty_struct *tty);
extern struct tty_struct *tty_pair_get_pty(struct tty_struct *tty);