From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755452Ab3COSzq (ORCPT ); Fri, 15 Mar 2013 14:55:46 -0400 Received: from p3plsmtps2ded04.prod.phx3.secureserver.net ([208.109.80.198]:59190 "EHLO p3plsmtps2ded04.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755328Ab3COSzn (ORCPT ); Fri, 15 Mar 2013 14:55:43 -0400 x-originating-ip: 72.167.245.219 From: "K. Y. Srinivasan" To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com Cc: "K. Y. Srinivasan" Subject: [PATCH 6/6] Drivers: hv: vmbus: Handle channel rescind message correctly Date: Fri, 15 Mar 2013 12:25:44 -0700 Message-Id: <1363375544-19901-6-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1363375544-19901-1-git-send-email-kys@microsoft.com> References: <1363375509-19860-1-git-send-email-kys@microsoft.com> <1363375544-19901-1-git-send-email-kys@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Properly cleanup the channel state on receipt of the "offer rescind" message. Starting with ws2012, the host requires that the channel "relid" be properly cleaned up when the offer is rescinded. Signed-off-by: K. Y. Srinivasan Reviewed-by: Haiyang Zhang --- drivers/hv/channel_mgmt.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index ff1be16..bad8128 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -165,8 +165,19 @@ static void vmbus_process_rescind_offer(struct work_struct *work) struct vmbus_channel *channel = container_of(work, struct vmbus_channel, work); + unsigned long flags; + struct vmbus_channel_relid_released msg; vmbus_device_unregister(channel->device_obj); + memset(&msg, 0, sizeof(struct vmbus_channel_relid_released)); + msg.child_relid = channel->offermsg.child_relid; + msg.header.msgtype = CHANNELMSG_RELID_RELEASED; + vmbus_post_msg(&msg, sizeof(struct vmbus_channel_relid_released)); + + spin_lock_irqsave(&vmbus_connection.channel_lock, flags); + list_del(&channel->listentry); + spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags); + free_channel(channel); } void vmbus_free_channels(void) -- 1.7.4.1