diff options
Diffstat (limited to 'drivers/tty/tty_buffer.c')
| -rw-r--r-- | drivers/tty/tty_buffer.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 76151c002858..77070c2d1240 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -473,11 +473,15 @@ receive_buf(struct tty_port *port, struct tty_buffer *head, int count) { unsigned char *p = char_buf_ptr(head, head->read); char *f = NULL; + int n; if (~head->flags & TTYB_NORMAL) f = flag_buf_ptr(head, head->read); - return port->client_ops->receive_buf(port, p, f, count); + n = port->client_ops->receive_buf(port, p, f, count); + if (n > 0) + memset(p, 0, n); + return n; } /** |