>From 36ad8f281846ef395e1969fc2af324c5edb13043 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Sun, 28 Oct 2012 21:42:02 +0100 Subject: [PATCH] tty BUF DEBUG Signed-off-by: Jiri Slaby --- drivers/tty/tty_buffer.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 45d9161..c70274b 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -371,6 +371,7 @@ void tty_schedule_flip(struct tty_struct *tty) if (buf->tail != NULL) buf->tail->commit = buf->tail->used; spin_unlock_irqrestore(&buf->lock, flags); + WARN_RATELIMIT(tty->port->itty == NULL, "HUH\n"); schedule_work(&buf->work); } EXPORT_SYMBOL(tty_schedule_flip); @@ -566,6 +567,7 @@ void tty_flip_buffer_push(struct tty_struct *tty) buf->tail->commit = buf->tail->used; spin_unlock_irqrestore(&buf->lock, flags); + WARN_RATELIMIT(tty->port->itty == NULL, "HUH\n"); if (tty->low_latency) flush_to_ldisc(&buf->work); else -- 1.8.0