diff options
| -rw-r--r-- | drivers/tty/serial/mvf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/serial/mvf.c b/drivers/tty/serial/mvf.c index 814a7daa56f0..36713c6c3983 100644 --- a/drivers/tty/serial/mvf.c +++ b/drivers/tty/serial/mvf.c @@ -373,7 +373,8 @@ static void rx_work(struct work_struct *w) struct imx_port *sport = container_of(w, struct imx_port, tsk_rx); struct tty_struct *tty = sport->port.state->port.tty; - if (sport->rx_bytes) { + /* check if tty is valid, since the process might be gone... */ + if (sport->rx_bytes && tty) { tty_flip_buffer_push(tty); sport->rx_bytes = 0; } |