tty fix for 3.13-rc3

Here is a single n_tty fix for 3.13-rc3 that resolves a regression in 3.12 that
 has been reported.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty fix from Greg KH:
 "Here is a single n_tty fix for 3.13-rc3 that resolves a regression in
  3.12 that has been reported"

* tag 'tty-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  n_tty: Fix missing newline echo
This commit is contained in:
Linus Torvalds 2013-12-08 18:51:21 -08:00
commit 3f02ff5c2c

View file

@ -810,7 +810,8 @@ static void process_echoes(struct tty_struct *tty)
struct n_tty_data *ldata = tty->disc_data;
size_t echoed;
if (!L_ECHO(tty) || ldata->echo_commit == ldata->echo_tail)
if ((!L_ECHO(tty) && !L_ECHONL(tty)) ||
ldata->echo_commit == ldata->echo_tail)
return;
mutex_lock(&ldata->output_lock);
@ -825,7 +826,8 @@ static void flush_echoes(struct tty_struct *tty)
{
struct n_tty_data *ldata = tty->disc_data;
if (!L_ECHO(tty) || ldata->echo_commit == ldata->echo_head)
if ((!L_ECHO(tty) && !L_ECHONL(tty)) ||
ldata->echo_commit == ldata->echo_head)
return;
mutex_lock(&ldata->output_lock);