Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932920Ab3CGO5G (ORCPT ); Thu, 7 Mar 2013 09:57:06 -0500 Received: from mail-lb0-f181.google.com ([209.85.217.181]:65065 "EHLO mail-lb0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754289Ab3CGO5D (ORCPT ); Thu, 7 Mar 2013 09:57:03 -0500 From: Johan Hovold To: Greg Kroah-Hartman Cc: Jiri Slaby , Peter Hurley , Alan Stern , linux-usb@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH v3 2/6] TTY: wake up processes last at hangup Date: Thu, 7 Mar 2013 15:55:49 +0100 Message-Id: <1362668153-10972-3-git-send-email-jhovold@gmail.com> X-Mailer: git-send-email 1.8.1.1 In-Reply-To: <1362668153-10972-1-git-send-email-jhovold@gmail.com> References: <51361724.4050107@suse.cz> <1362668153-10972-1-git-send-email-jhovold@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1114 Lines: 36 Move wake up of processes on blocked-open and modem-status wait queues to after port shutdown at hangup. This way the woken up processes can use the ASYNC_INITIALIZED flag to detect port shutdown. Note that this is the order currently used by serial-core. Signed-off-by: Johan Hovold --- drivers/tty/tty_port.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 57a061e..3de5918 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -231,9 +231,9 @@ void tty_port_hangup(struct tty_port *port) } port->tty = NULL; spin_unlock_irqrestore(&port->lock, flags); + tty_port_shutdown(port); wake_up_interruptible(&port->open_wait); wake_up_interruptible(&port->delta_msr_wait); - tty_port_shutdown(port); } EXPORT_SYMBOL(tty_port_hangup); -- 1.8.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/