diff options
Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
| -rw-r--r-- | drivers/usb/serial/io_edgeport.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index faedbeb6ba49..3f29e6b0fd19 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -1965,20 +1965,14 @@ static void edge_tty_recv(struct device *dev, struct tty_struct *tty, unsigned c int cnt; do { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - dev_err(dev, "%s - dropping data, %d bytes lost\n", - __FUNCTION__, length); - return; - } + cnt = tty_buffer_request_room(tty, length); + if (cnt < length) { + dev_err(dev, "%s - dropping data, %d bytes lost\n", + __FUNCTION__, length - cnt); + if(cnt == 0) + break; } - cnt = min(length, TTY_FLIPBUF_SIZE - tty->flip.count); - memcpy(tty->flip.char_buf_ptr, data, cnt); - memset(tty->flip.flag_buf_ptr, 0, cnt); - tty->flip.char_buf_ptr += cnt; - tty->flip.flag_buf_ptr += cnt; - tty->flip.count += cnt; + tty_insert_flip_string(tty, data, cnt); data += cnt; length -= cnt; } while (length > 0); |