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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 17:10:07 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 17:10:07 +0300
commit69c444ba93b76f2da4f23449c72e83521142b243 (patch)
tree4d460a117b909ed5d38cf01e00b95f01b4bbb68c /drivers/tty
parent2b022ab7542df60021ab57854b3faaaf42552eaf (diff)
parent30a7acd573899fd8b8ac39236eff6468b195ac7d (diff)
downloadlinux-69c444ba93b76f2da4f23449c72e83521142b243.tar.xz
Merge 4.15-rc6 into tty-next
We want the ldisc fix here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/n_tty.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 427e0d5d8f13..539b49adb6af 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1762,7 +1762,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
{
struct n_tty_data *ldata = tty->disc_data;
- if (!old || (old->c_lflag ^ tty->termios.c_lflag) & ICANON) {
+ if (!old || (old->c_lflag ^ tty->termios.c_lflag) & (ICANON | EXTPROC)) {
bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
ldata->line_start = ldata->read_tail;
if (!L_ICANON(tty) || !read_cnt(ldata)) {
@@ -2425,7 +2425,7 @@ static int n_tty_ioctl(struct tty_struct *tty, struct file *file,
return put_user(tty_chars_in_buffer(tty), (int __user *) arg);
case TIOCINQ:
down_write(&tty->termios_rwsem);
- if (L_ICANON(tty))
+ if (L_ICANON(tty) && !L_EXTPROC(tty))
retval = inq_canon(ldata);
else
retval = read_cnt(ldata);