From patchwork Thu Apr 21 23:13:01 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haiyang Zhang X-Patchwork-Id: 613312 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3qrX8G3NLxz9t3s for ; Fri, 22 Apr 2016 07:34:38 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753017AbcDUVeZ (ORCPT ); Thu, 21 Apr 2016 17:34:25 -0400 Received: from p3plsmtps2ded04.prod.phx3.secureserver.net ([208.109.80.198]:35458 "EHLO p3plsmtps2ded04.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752890AbcDUVeW (ORCPT ); Thu, 21 Apr 2016 17:34:22 -0400 Received: from linuxonhyperv.com ([72.167.245.219]) by : HOSTING RELAY : with SMTP id tMC0abMrnfrN0tMC0a4qOz; Thu, 21 Apr 2016 14:31:21 -0700 x-originating-ip: 72.167.245.219 Received: by linuxonhyperv.com (Postfix, from userid 503) id 0A789190708; Thu, 21 Apr 2016 16:13:08 -0700 (PDT) From: Haiyang Zhang To: davem@davemloft.net, netdev@vger.kernel.org Cc: haiyangz@microsoft.com, kys@microsoft.com, olaf@aepfle.de, vkuznets@redhat.com, linux-kernel@vger.kernel.org, driverdev-devel@linuxdriverproject.org Subject: [PATCH net-next] hv_netvsc: Fix the list processing for network change event Date: Thu, 21 Apr 2016 16:13:01 -0700 Message-Id: <1461280381-17530-1-git-send-email-haiyangz@microsoft.com> X-Mailer: git-send-email 1.7.4.1 X-CMAE-Envelope: MS4wfHY0h4MOvvN3NNpWQr66mLNBbJeE10m7MtDdkZ5w1c/8WihMLRjfs+cGRV3wyj1dpGa+Zh9zqt1FgSsFHgqh8wg4M1uoBHIZ8q0R6VGOkXpxR7ToT1pB iSjWNUUVRYsTrr+ZkIAs3MJaDmKv91P70DmIoOr8ToYDPXIwUxjrJKHEZe2R7wzKUzCJGq1t7SUiEGPBsZYg2JPliYIeDGBmTRXUZ3DHmagXF15JpRmDdxQ6 tICm1tO2GSp39LD3Iks6ySLjkVsj4k5oVS9m4dyqHy6dYRNvomNUnjNFWhudvyTMgZV1qSI4G9c6GyxmyJYfMS/nHvEPnh9jXculDYlnQNYJDdY5W0CZ5fH4 R++dAYQpdwug6NzgVTV9jPbwJEYvyEDIbY2eKJFBpPFKJIcqm3hHBzU+IJb138acY4rlLQ7psEMN/zl7P8sJf4cIxVWx9A== Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org RNDIS_STATUS_NETWORK_CHANGE event is handled as two "half events" -- media disconnect & connect. The second half should be added to the list head, not to the tail. So all events are processed in normal order. Signed-off-by: Haiyang Zhang Reviewed-by: K. Y. Srinivasan Reviewed-by: Vitaly Kuznetsov --- drivers/net/hyperv/netvsc_drv.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index bfdb568a..ba3f3f3 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -1125,7 +1125,7 @@ static void netvsc_link_change(struct work_struct *w) netif_tx_stop_all_queues(net); event->event = RNDIS_STATUS_MEDIA_CONNECT; spin_lock_irqsave(&ndev_ctx->lock, flags); - list_add_tail(&event->list, &ndev_ctx->reconfig_events); + list_add(&event->list, &ndev_ctx->reconfig_events); spin_unlock_irqrestore(&ndev_ctx->lock, flags); reschedule = true; }