From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932567AbdJXKAN (ORCPT ); Tue, 24 Oct 2017 06:00:13 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:50690 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751984AbdJXKAG (ORCPT ); Tue, 24 Oct 2017 06:00:06 -0400 X-Google-Smtp-Source: ABhQp+Qri8jyhvb4TyER9zi74z2WNtVpWW3sTOfLxJzi3TpyLTAbX32q+PnbRwByj0a739OALWDYUg== Date: Tue, 24 Oct 2017 03:00:03 -0700 From: Kees Cook To: Greg Kroah-Hartman Cc: Richard Genoud , Jiri Slaby , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] tty/serial: atmel: Convert timers to use timer_setup() Message-ID: <20171024100003.GA67892@beast> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Richard Genoud Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: linux-serial@vger.kernel.org Signed-off-by: Kees Cook --- drivers/tty/serial/atmel_serial.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 82d9c8eae04f..68d8685e5a50 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1185,10 +1185,11 @@ static int atmel_prepare_rx_dma(struct uart_port *port) return -EINVAL; } -static void atmel_uart_timer_callback(unsigned long data) +static void atmel_uart_timer_callback(struct timer_list *t) { - struct uart_port *port = (void *)data; - struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + struct atmel_uart_port *atmel_port = from_timer(atmel_port, t, + uart_timer); + struct uart_port *port = &atmel_port->uart; if (!atomic_read(&atmel_port->tasklet_shutdown)) { tasklet_schedule(&atmel_port->tasklet_rx); @@ -1852,9 +1853,7 @@ static int atmel_startup(struct uart_port *port) atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXEN | ATMEL_US_RXEN); atmel_port->tx_stopped = false; - setup_timer(&atmel_port->uart_timer, - atmel_uart_timer_callback, - (unsigned long)port); + timer_setup(&atmel_port->uart_timer, atmel_uart_timer_callback, 0); if (atmel_use_pdc_rx(port)) { /* set UART timeout */ -- 2.7.4 -- Kees Cook Pixel Security