diff options
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/platforms/iss/console.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c index 247e9d40a52..19a802a1309 100644 --- a/arch/xtensa/platforms/iss/console.c +++ b/arch/xtensa/platforms/iss/console.c @@ -68,11 +68,6 @@ static void rs_poll(unsigned long); static int rs_open(struct tty_struct *tty, struct file * filp) { - int line = tty->index; - - if ((line < 0) || (line >= SERIAL_MAX_NUM_LINES)) - return -ENODEV; - spin_lock(&timer_lock); if (tty->count == 1) { @@ -101,6 +96,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp) { spin_lock(&timer_lock); if (tty->count == 1) + /* this will cause a deadlock if the timer ticks right now */ del_timer_sync(&serial_timer); spin_unlock(&timer_lock); } @@ -210,7 +206,7 @@ static const struct tty_operations serial_ops = { int __init rs_init(void) { - serial_driver = alloc_tty_driver(1); + serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES); printk ("%s %s\n", serial_name, serial_version); |