diff options
Diffstat (limited to 'drivers/tty/tty_buffer.c')
| -rw-r--r-- | drivers/tty/tty_buffer.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 6c7a1d043c76..ff1b2e37c3ca 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -407,11 +407,16 @@ static int receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count) { struct tty_ldisc *disc = tty->ldisc; + char *p = head->char_buf_ptr + head->read; + unsigned char *f = head->flag_buf_ptr + head->read; - count = min_t(int, count, tty->receive_room); - if (count) - disc->ops->receive_buf(tty, head->char_buf_ptr + head->read, - head->flag_buf_ptr + head->read, count); + if (disc->ops->receive_buf2) + count = disc->ops->receive_buf2(tty, p, f, count); + else { + count = min_t(int, count, tty->receive_room); + if (count) + disc->ops->receive_buf(tty, p, f, count); + } head->read += count; return count; } |