From patchwork Fri Apr 26 18:25:55 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haiyang Zhang X-Patchwork-Id: 239896 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 771B52C0115 for ; Sat, 27 Apr 2013 03:53:43 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757128Ab3DZRxZ (ORCPT ); Fri, 26 Apr 2013 13:53:25 -0400 Received: from p3plsmtps2ded01.prod.phx3.secureserver.net ([208.109.80.58]:42672 "EHLO p3plsmtps2ded01.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756904Ab3DZRxY (ORCPT ); Fri, 26 Apr 2013 13:53:24 -0400 Received: from linuxonhyperv.com ([72.167.245.219]) by p3plsmtps2ded01.prod.phx3.secureserver.net with : DED : id UhtN1l01Q4kklxU01htNQw; Fri, 26 Apr 2013 10:53:24 -0700 x-originating-ip: 72.167.245.219 Received: by linuxonhyperv.com (Postfix, from userid 503) id 1EEBE19052E; Fri, 26 Apr 2013 11:26:03 -0700 (PDT) From: Haiyang Zhang To: davem@davemloft.net, netdev@vger.kernel.org Cc: haiyangz@microsoft.com, kys@microsoft.com, olaf@aepfle.de, jasowang@redhat.com, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org Subject: [PATCH net-next] hyperv: Fix a compiler warning in netvsc_send() Date: Fri, 26 Apr 2013 11:25:55 -0700 Message-Id: <1367000755-2571-1-git-send-email-haiyangz@microsoft.com> X-Mailer: git-send-email 1.7.4.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fixed: warning: cast from pointer to integer of different size The Hyper-V hosts always use 64 bit request id. The guests can have 32 or 64 bit pointers which equal to the ulong type size. So we cast it to ulong type. And, assigning 32bit integer to 64 bit variable works fine. The VMBus returns the same id in the completion packet. But the value has no effect on the host side. Reported-by: kbuild test robot Signed-off-by: Haiyang Zhang Reviewed-by: K. Y. Srinivasan --- drivers/net/hyperv/netvsc.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index f5f0f09..2b04804 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -522,7 +522,7 @@ int netvsc_send(struct hv_device *device, sendMessage.msg.v1_msg.send_rndis_pkt.send_buf_section_size = 0; if (packet->completion.send.send_completion) - req_id = (u64)packet; + req_id = (ulong)packet; else req_id = 0;