From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id DC70DA0351 for ; Tue, 18 Aug 2020 20:45:33 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C30321C002; Tue, 18 Aug 2020 20:45:33 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id E6DE029D2; Tue, 18 Aug 2020 20:45:30 +0200 (CEST) IronPort-SDR: oX6nt8lEMeyyqmi4HDFWUVM5/zXzngxR5XQHof9EWBm4PARbZQXvKuTVB+rDxndh9H6RtYhqqJ CcccyLSPKbZw== X-IronPort-AV: E=McAfee;i="6000,8403,9717"; a="154248377" X-IronPort-AV: E=Sophos;i="5.76,328,1592895600"; d="scan'208";a="154248377" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2020 11:45:29 -0700 IronPort-SDR: 5G5mEV+fx+k7dHC2K4Je/JPdOcnp0ZztyAbWlHJkRkYnYLKVOkxzYgyUDQToKXghveIFdSzUzT bCmEFcrg24lg== X-IronPort-AV: E=Sophos;i="5.76,328,1592895600"; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v3] net/virtio: fix wrong variable assignment in helper macro X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On 8/14/2020 6:23 AM, Vipul Ashri wrote: > Hi All > > I tried twice uploading this same patch but it is still not listed under http://patches.dpdk.org/project/dpdk/list/. > Please let me know if I am missing something and required to do some additional steps to submit my patch. Mail list is moderated, only subscribed members can post. Your patches were hold in the administration queue because of that, I have released them and cleaned up the patchwork (since there were double of some versions) and only left one copy of v3, please check if that is the correct one: https://patches.dpdk.org/project/dpdk/list/?submitter=1867 > > Thanks to Xia for reviewing this code! > > Regards > Vipul > > -----Original Message----- > From: Xia, Chenbo [mailto:chenbo.xia@intel.com] > Sent: Friday, 14 August, 2020 6:56 > To: Vipul Ashri ; dev@dpdk.org > Cc: Edwin Leung ; stable@dpdk.org; Wang, Zhihong ; maxime.coquelin@redhat.com > Subject: RE: [PATCH v3] net/virtio: fix wrong variable assignment in helper macro > > >> -----Original Message----- >> From: Vipul Ashri >> Sent: Friday, August 14, 2020 12:22 AM >> To: dev@dpdk.org >> Cc: Xia, Chenbo ; vipul.ashri@oracle.com; >> edwin.leung@oracle.com; stable@dpdk.org; Wang, Zhihong >> ; maxime.coquelin@redhat.com >> Subject: [PATCH v3] net/virtio: fix wrong variable assignment in >> helper macro >> >> Inside Macro ASSIGN_UNLESS_EQUAL(var, val), assignment to var is >> always failing as assignment done using var_ having local scope only. >> This leads to TX packets not going out and found broken due to cleanup >> malfunctioning. This patch fixes the wrong variable assignment. >> >> Fixes: 57f90f894588 ("net/virtio: reuse packed ring functions") >> Cc: stable@dpdk.org >> >> Signed-off-by: Vipul Ashri >> --- >> drivers/net/virtio/virtqueue.h | 6 ++---- >> 1 file changed, 2 insertions(+), 4 deletions(-) >> >> diff --git a/drivers/net/virtio/virtqueue.h >> b/drivers/net/virtio/virtqueue.h index 105a9c00c..20c95471e 100644 >> --- a/drivers/net/virtio/virtqueue.h >> +++ b/drivers/net/virtio/virtqueue.h >> @@ -607,10 +607,8 @@ virtqueue_notify(struct virtqueue *vq) >> >> /* avoid write operation when necessary, to lessen cache issues */ >> #define ASSIGN_UNLESS_EQUAL(var, val) do { \ >> - typeof(var) var_ = (var); \ >> - typeof(val) val_ = (val); \ >> - if ((var_) != (val_)) \ >> - (var_) = (val_); \ >> + if ((var) != (val)) \ >> + (var) = (val); \ >> } while (0) >> >> #define virtqueue_clear_net_hdr(hdr) do { \ >> -- >> 2.28.0.windows.1 > > Reviewed-by: Chenbo Xia >