From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vitaly Kuznetsov Subject: [PATCH RFCv2 02/21] Drivers: hv: kvp: reset kvp_context Date: Wed, 11 Mar 2015 14:29:15 +0100 Message-ID: <1426080574-9011-3-git-send-email-vkuznets@redhat.com> References: <1426080574-9011-1-git-send-email-vkuznets@redhat.com> Return-path: In-Reply-To: <1426080574-9011-1-git-send-email-vkuznets@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: "K. Y. Srinivasan" , devel@linuxdriverproject.org Cc: Haiyang Zhang , linux-kernel@vger.kernel.org, Dexuan Cui , Radim Krcmar , Greg Kroah-Hartman , 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