From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEAAEC433ED for ; Mon, 17 May 2021 09:09:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1F34611CA for ; Mon, 17 May 2021 09:09:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235890AbhEQJLG (ORCPT ); Mon, 17 May 2021 05:11:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235849AbhEQJKk (ORCPT ); Mon, 17 May 2021 05:10:40 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF3BFC061756 for ; Mon, 17 May 2021 02:09:23 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id q6so3313014pjj.2 for ; Mon, 17 May 2021 02:09:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=HAxFTtOHd8hl2SI+h7EbDRZvq5HefD54cpPSZjznt/I=; b=lzzYGBCEKLDtZEaOUbfqvKXJGDntimcbL8L9haKh2EfPqOznTu9caIMyelSfqTnk7z KAUuaqpCbrX1I/1g4vK/p/a7iVNh9KKCrr0UvSVr6Oe4IxHue2ItcrIZ21ftzRRikhcW An0c/WKD39kyFUZw+1BE2RhK5lA2DkkP2CK9/Y5zFUZMKzYfeLunlFALJ8gZd/OxrfSg zVogEJBWbp2uOY2m9rlRwFx2gbhWQsiG0rBZzBZ1ghGY4UdFsQJAm//I/EUBGIgVU/S8 JvKzUKF06bIMGjWRA3JubQMyHN97h6wrOdwpyUS1ta7MvcEt1OJ3y0s8hEaAi06t/tmw xEnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HAxFTtOHd8hl2SI+h7EbDRZvq5HefD54cpPSZjznt/I=; b=pvs9YLhWmH2Bbc4PkBslNEMEP6+nOHZdrZJ7L1COR7UGJTB7Mf/2UT0yfnL3wNq4xy ALYO6CT+l65+kyCfoRBfxbQ2aeDyUd1lOTnuNA01h0v1sz/xM3sSnth20r7ADm4KV6rH z4RPlCiK2Ia3IUX0CrKiZlKr0mILGSG+qC+ruJbbPF5B6ujittLTMPLHKyeOBZD1DodP ZRDvAjaWYrP6kJ/iiA8nlK2JM5Vfz86shkEm1wm6wz1IayHGT+UuDY6lc20lGFCdG73M kV6FTtAoGmpbMYij0drwv3Wff5l0tr3jxsGRixnH18Geuf2VsRmD8IVCIi7BLoe40VnV ASKA== X-Gm-Message-State: AOAM531p8I+pvMHp16Q6d8+d0At6GxfYqTkhKaXxL7RwlyzdUNFrtyFD TaypabEGfukaToh+lGui60wc X-Google-Smtp-Source: ABdhPJyvx+FiuQ4n2zgPDT6AHSjoYbPZYAf2oepl/gWx1e8Fr84Kuxf19eiEpMphivMTbwKatFxjIg== X-Received: by 2002:a17:90a:3948:: with SMTP id n8mr68511142pjf.32.1621242563462; Mon, 17 May 2021 02:09:23 -0700 (PDT) Received: from localhost ([139.177.225.253]) by smtp.gmail.com with ESMTPSA id g6sm9462843pfr.213.2021.05.17.02.09.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 May 2021 02:09:23 -0700 (PDT) From: Xie Yongji To: mst@redhat.com, jasowang@redhat.com, stefanha@redhat.com Cc: amit@kernel.org, arei.gonglei@huawei.com, airlied@linux.ie, kraxel@redhat.com, dan.j.williams@intel.com, johannes@sipsolutions.net, ohad@wizery.com, bjorn.andersson@linaro.org, david@redhat.com, vgoyal@redhat.com, miklos@szeredi.hu, sgarzare@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 06/17] caif_virtio: Remove unused used length Date: Mon, 17 May 2021 17:08:25 +0800 Message-Id: <20210517090836.533-7-xieyongji@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210517090836.533-1-xieyongji@bytedance.com> References: <20210517090836.533-1-xieyongji@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The used length is not used. Let's drop it and pass NULL to virtqueue_get_buf() instead. Signed-off-by: Xie Yongji --- drivers/net/caif/caif_virtio.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c index 106f089eb2a8..020ce35c2d65 100644 --- a/drivers/net/caif/caif_virtio.c +++ b/drivers/net/caif/caif_virtio.c @@ -165,12 +165,11 @@ static void cfv_release_used_buf(struct virtqueue *vq_tx) BUG_ON(vq_tx != cfv->vq_tx); for (;;) { - unsigned int len; struct buf_info *buf_info; /* Get used buffer from used ring to recycle used descriptors */ spin_lock_irqsave(&cfv->tx_lock, flags); - buf_info = virtqueue_get_buf(vq_tx, &len); + buf_info = virtqueue_get_buf(vq_tx, NULL); spin_unlock_irqrestore(&cfv->tx_lock, flags); /* Stop looping if there are no more buffers to free */ -- 2.11.0