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Diffstat (limited to 'arch/um/drivers/chan_kern.c')
-rw-r--r--arch/um/drivers/chan_kern.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index c3bba73e4be..e9a0abc6a32 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -83,21 +83,8 @@ static const struct chan_ops not_configged_ops = {
static void tty_receive_char(struct tty_struct *tty, char ch)
{
- if (tty == NULL)
- return;
-
- if (I_IXON(tty) && !I_IXOFF(tty) && !tty->raw) {
- if (ch == STOP_CHAR(tty)) {
- stop_tty(tty);
- return;
- }
- else if (ch == START_CHAR(tty)) {
- start_tty(tty);
- return;
- }
- }
-
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
+ if (tty)
+ tty_insert_flip_char(tty, ch, TTY_NORMAL);
}
static int open_one_chan(struct chan *chan)