diff options
Diffstat (limited to 'drivers/tty/serial/kgdb_nmi.c')
| -rw-r--r-- | drivers/tty/serial/kgdb_nmi.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c index 6ac2b797a764..5dafcf1c227b 100644 --- a/drivers/tty/serial/kgdb_nmi.c +++ b/drivers/tty/serial/kgdb_nmi.c @@ -23,6 +23,7 @@ #include <linux/tty.h> #include <linux/tty_driver.h> #include <linux/tty_flip.h> +#include <linux/serial_core.h> #include <linux/interrupt.h> #include <linux/hrtimer.h> #include <linux/tick.h> @@ -202,7 +203,6 @@ bool kgdb_nmi_poll_knock(void) static void kgdb_nmi_tty_receiver(unsigned long data) { struct kgdb_nmi_tty_priv *priv = (void *)data; - struct tty_struct *tty; char ch; tasklet_schedule(&priv->tlet); @@ -210,16 +210,9 @@ static void kgdb_nmi_tty_receiver(unsigned long data) if (likely(!kgdb_nmi_tty_enabled || !kfifo_len(&priv->fifo))) return; - /* Port is there, but tty might be hung up, check. */ - tty = tty_port_tty_get(kgdb_nmi_port); - if (!tty) - return; - while (kfifo_out(&priv->fifo, &ch, 1)) - tty_insert_flip_char(priv->port.tty, ch, TTY_NORMAL); - tty_flip_buffer_push(priv->port.tty); - - tty_kref_put(tty); + tty_insert_flip_char(&priv->port, ch, TTY_NORMAL); + tty_flip_buffer_push(&priv->port); } static int kgdb_nmi_tty_activate(struct tty_port *port, struct tty_struct *tty) |