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-rw-r--r--drivers/tty/tty_buffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 06725f5cc81..6cf87d7afb7 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -365,6 +365,7 @@ void tty_schedule_flip(struct tty_struct *tty)
{
struct tty_bufhead *buf = &tty->port->buf;
unsigned long flags;
+ WARN_ON(tty->low_latency);
spin_lock_irqsave(&buf->lock, flags);
if (buf->tail != NULL)