diff options
Diffstat (limited to 'drivers/tty/tty_buffer.c')
| -rw-r--r-- | drivers/tty/tty_buffer.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 9fdecc795b6b..5e287dedce01 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -470,7 +470,6 @@ static void lookahead_bufs(struct tty_port *port, struct tty_buffer *head) while (head) { struct tty_buffer *next; - unsigned char *p, *f = NULL; unsigned int count; /* @@ -489,11 +488,16 @@ static void lookahead_bufs(struct tty_port *port, struct tty_buffer *head) continue; } - p = char_buf_ptr(head, head->lookahead); - if (~head->flags & TTYB_NORMAL) - f = flag_buf_ptr(head, head->lookahead); + if (port->client_ops->lookahead_buf) { + unsigned char *p, *f = NULL; + + p = char_buf_ptr(head, head->lookahead); + if (~head->flags & TTYB_NORMAL) + f = flag_buf_ptr(head, head->lookahead); + + port->client_ops->lookahead_buf(port, p, f, count); + } - port->client_ops->lookahead_buf(port, p, f, count); head->lookahead += count; } } |