diff options
| author | Johan Hovold <johan@kernel.org> | 2014-11-18 11:25:21 +0100 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2014-11-19 16:22:22 +0100 |
| commit | 75bcbf29c284dd0154c3e895a0bd1ef0e796160e (patch) | |
| tree | 32ad120212a3a610c1ac9ccb9a11b59ea9114931 | |
| parent | 855515a6d3731242d85850a206f2ec084c917338 (diff) | |
| download | linux-75bcbf29c284dd0154c3e895a0bd1ef0e796160e.tar.bz2 | |
USB: ssu100: fix overrun-error reporting
Fix reporting of overrun errors, which should only be reported once
using the inserted null character.
Fixes: 6b8f1ca5581b ("USB: ssu100: set tty_flags in ssu100_process_packet")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
| -rw-r--r-- | drivers/usb/serial/ssu100.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index a7fe664b6b7d..70a098de429f 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -490,10 +490,9 @@ static void ssu100_update_lsr(struct usb_serial_port *port, u8 lsr, if (*tty_flag == TTY_NORMAL) *tty_flag = TTY_FRAME; } - if (lsr & UART_LSR_OE){ + if (lsr & UART_LSR_OE) { port->icount.overrun++; - if (*tty_flag == TTY_NORMAL) - *tty_flag = TTY_OVERRUN; + tty_insert_flip_char(&port->port, 0, TTY_OVERRUN); } } @@ -511,12 +510,8 @@ static void ssu100_process_read_urb(struct urb *urb) if ((len >= 4) && (packet[0] == 0x1b) && (packet[1] == 0x1b) && ((packet[2] == 0x00) || (packet[2] == 0x01))) { - if (packet[2] == 0x00) { + if (packet[2] == 0x00) ssu100_update_lsr(port, packet[3], &flag); - if (flag == TTY_OVERRUN) - tty_insert_flip_char(&port->port, 0, - TTY_OVERRUN); - } if (packet[2] == 0x01) ssu100_update_msr(port, packet[3]); |