diff options
Diffstat (limited to 'drivers/tty')
-rw-r--r-- | drivers/tty/n_tty.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 94b6eda87afd..2303a02e9dc5 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1727,7 +1727,8 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, do_it_again: - BUG_ON(!tty->read_buf); + if (WARN_ON(!tty->read_buf)) + return -EAGAIN; c = job_control(tty, file); if (c < 0) |