diff options
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 64b84291c07e..f92f4d773374 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1065,8 +1065,10 @@ static int set_serial_info(struct tty_struct *tty, if (!capable(CAP_SYS_ADMIN)) { if (((new_serial.flags & ~ASYNC_USR_MASK) != - (priv->flags & ~ASYNC_USR_MASK))) + (priv->flags & ~ASYNC_USR_MASK))) { + unlock_kernel(); return -EPERM; + } priv->flags = ((priv->flags & ~ASYNC_USR_MASK) | (new_serial.flags & ASYNC_USR_MASK)); priv->custom_divisor = new_serial.custom_divisor; |