diff options
| -rw-r--r-- | drivers/tty/tty_buffer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 6b1dc32cfa22..c220c2c0893f 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -372,12 +372,13 @@ EXPORT_SYMBOL(tty_insert_flip_string_flags); */ int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag) { - struct tty_buffer *tb = port->buf.tail; + struct tty_buffer *tb; int flags = (flag == TTY_NORMAL) ? TTYB_NORMAL : 0; if (!__tty_buffer_request_room(port, 1, flags)) return 0; + tb = port->buf.tail; if (~tb->flags & TTYB_NORMAL) *flag_buf_ptr(tb, tb->used) = flag; *char_buf_ptr(tb, tb->used++) = ch; |