From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vitaly Kuznetsov Subject: [PATCH v3 02/21] Drivers: hv: kvp: reset kvp_context Date: Thu, 9 Apr 2015 10:38:31 +0200 Message-ID: <1428568730-6030-3-git-send-email-vkuznets@redhat.com> References: <1428568730-6030-1-git-send-email-vkuznets@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1428568730-6030-1-git-send-email-vkuznets@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: "K. Y. Srinivasan" , devel@linuxdriverproject.org Cc: Radim Krcmar , Greg Kroah-Hartman , Haiyang Zhang , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org List-Id: linux-api@vger.kernel.org We set kvp_context when we want to postpone receiving a packet from vmbus due to the previous transaction being unfinished. We, however, never reset this state, all consequent kvp_respond_to_host() calls will result in poll_channel() calling hv_kvp_onchannelcallback(). This doesn't cause real issues as: 1) Host is supposed to serialize transactions as well 2) If no message is pending vmbus_recvpacket() will return 0 recvlen. This is just a cleanup. Signed-off-by: Vitaly Kuznetsov --- drivers/hv/hv_kvp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c index a414c83..caa467d 100644 --- a/drivers/hv/hv_kvp.c +++ b/drivers/hv/hv_kvp.c @@ -621,6 +621,7 @@ void hv_kvp_onchannelcallback(void *context) kvp_transaction.kvp_context = context; return; } + kvp_transaction.kvp_context = NULL; vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE * 4, &recvlen, &requestid); -- 1.9.3