diff options
| author |   Johan Hovold <johan@kernel.org> | 2017-06-06 12:54:33 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-13 11:49:57 +0200 |
| commit | dc2f7271593dacaf1ce3b0c57dc657c3221e841c (patch) | |
| tree | 5660cdb333e57b9d2b2f31c9003f07e6b844218c /drivers/tty | |
| parent | tty: add TIOCGPTPEER ioctl (diff) | |
| download | wireguard-linux-dc2f7271593dacaf1ce3b0c57dc657c3221e841c.tar.xz wireguard-linux-dc2f7271593dacaf1ce3b0c57dc657c3221e841c.zip | |
serial: rate limit custom-speed deprecation notice
Contrary to what a comment claimed, the ASYNC_SPD flags and custom
divisor can be set by a non-privileged user so rate limit the
deprecation notice as was intended.
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 13bfd5dcffce..f534a40aebde 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -954,11 +954,10 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port, old_custom_divisor != uport->custom_divisor) { /* * If they're setting up a custom divisor or speed, - * instead of clearing it, then bitch about it. No - * need to rate-limit; it's CAP_SYS_ADMIN only. + * instead of clearing it, then bitch about it. */ if (uport->flags & UPF_SPD_MASK) { - dev_notice(uport->dev, + dev_notice_ratelimited(uport->dev, "%s sets custom speed on %s. This is deprecated.\n", current->comm, tty_name(port->tty)); |