From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752100AbdBBShK (ORCPT ); Thu, 2 Feb 2017 13:37:10 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:48422 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751870AbdBBSeX (ORCPT ); Thu, 2 Feb 2017 13:34:23 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hayes Wang , "David S. Miller" Subject: [PATCH 4.4 17/20] r8152: dont execute runtime suspend if the tx is not empty Date: Thu, 2 Feb 2017 19:33:50 +0100 Message-Id: <20170202183309.800424708@linuxfoundation.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170202183308.733256820@linuxfoundation.org> References: <20170202183308.733256820@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: hayeswang [ Upstream commit 6a0b76c04ec157c88ca943debf78a8ee58469f2d ] Runtime suspend shouldn't be executed if the tx queue is not empty, because the device is not idle. Signed-off-by: Hayes Wang Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/usb/r8152.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -3442,6 +3442,8 @@ static bool delay_autosuspend(struct r81 */ if (!sw_linking && tp->rtl_ops.in_nway(tp)) return true; + else if (!skb_queue_empty(&tp->tx_queue)) + return true; else return false; }