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authorPeter Hurley <peter@hurleysoftware.com>2013-06-15 18:21:26 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-24 04:11:02 +0400
commita1dd30e9b4c38a4a177106741b03ac6a55777286 (patch)
treeeff065921b9d84757060cee95d751bca632b2b15 /drivers/tty/n_tty.c
parent554117bdc8c245249f364ddcdbd65ae5701a5ead (diff)
downloadlinux-a1dd30e9b4c38a4a177106741b03ac6a55777286.tar.xz
n_tty: Special case EXTPROC receive_buf() as raw mode
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 <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r--drivers/tty/n_tty.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 900ebbe0a7ab..e9cfc77a1279 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;