diff options
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 7533ab1abe72..0140c8669ada 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -468,6 +468,11 @@ static long hung_up_tty_compat_ioctl(struct file *file, return cmd == TIOCSPGRP ? -ENOTTY : -EIO; } +static int hung_up_tty_fasync(int fd, struct file *file, int on) +{ + return -ENOTTY; +} + static const struct file_operations tty_fops = { .llseek = no_llseek, .read = tty_read, @@ -500,6 +505,7 @@ static const struct file_operations hung_up_tty_fops = { .unlocked_ioctl = hung_up_tty_ioctl, .compat_ioctl = hung_up_tty_compat_ioctl, .release = tty_release, + .fasync = hung_up_tty_fasync, }; static DEFINE_SPINLOCK(redirect_lock); |