When EXTPROC is set without ISTRIP or IUCLC, processing is
identical to raw mode; handle this receiving mode as a special-case
of raw mode.

Signed-off-by: Peter Hurley <[email protected]>
---
 drivers/tty/n_tty.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index cf99660..9b52bf9 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1546,10 +1546,11 @@ static void __receive_buf(struct tty_struct *tty, const 
unsigned char *cp,
                          char *fp, int count)
 {
        struct n_tty_data *ldata = tty->disc_data;
+       bool preops = I_ISTRIP(tty) || (I_IUCLC(tty) && L_IEXTEN(tty));
 
        if (ldata->real_raw)
                n_tty_receive_buf_real_raw(tty, cp, fp, count);
-       else if (ldata->raw)
+       else if (ldata->raw || (L_EXTPROC(tty) && !preops))
                n_tty_receive_buf_raw(tty, cp, fp, count);
        else {
                char flag = TTY_NORMAL;
-- 
1.8.1.2

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