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 BC316C433B4 for ; Mon, 17 May 2021 09:09:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 96EF0611CA for ; Mon, 17 May 2021 09:09:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235907AbhEQJLB (ORCPT ); Mon, 17 May 2021 05:11:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235843AbhEQJKg (ORCPT ); Mon, 17 May 2021 05:10:36 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48EB4C061756 for ; Mon, 17 May 2021 02:09:20 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id n3so2775462plf.7 for ; Mon, 17 May 2021 02:09:20 -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=k5LiPB9q7xaBW+KGuI5cLu1TfDUV6Yx5wm0u9ndqYC0=; b=TooF72bFASBbEvKajGXXGsK6IKoZ88dIgt+Yh/ep7ySu0ApwXvTE2jAxTmXRHqta6r RepG8LcbahMWIl1JfQE/tGQaIAXE90XZMIyGOq9K75kCy1DYtCD3eG5zxblKEi8LgoTR MaYen0RVEez1r0Y8RNdIVVAzPKM30h88pJlSdUGI/rx+sN1t5oYD3NUYe7CkEa6yDk2+ Pnfyq/AAnv9dzKrxFCR8Pl5KaJddykbARfOafikdzY5WHc69wEBdBSkSkXldUB7mDfCI lJhrCySWM/P8zbaOFyoxzC5SCBfRAmRdJlaam0tC30tiOCzFmCyrRk8Ooi0Gmnfvm1Jb S/Vw== 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=k5LiPB9q7xaBW+KGuI5cLu1TfDUV6Yx5wm0u9ndqYC0=; b=s+4DFWKE5pusof92s8io/sqjFI0gYt6J/2B4owCDkEdbYN5QdTJCL+dYjVTJPRBQe8 wcVE5MmFb6Kw8MAGV8wcK+rahCo7SGCAi7JqN8DJzEo3OuvbUu+IoZ8XNch2BugURw+2 KPu5YTF/NFz9DCq68YwDerSMtk5k+irUfooejFnAj2QD8gQ8nmId37WArAmztL5lQj61 g6c78dPGAV3e2Zlc60F1YMqqN5zdBz/jZItMqRA+NgiWaJqB4s6doOUVzUjYK0evSkNe FWxEBR9H1YhtT0YbJ1Vzg7zKFQ0r7B6VnyBuvzyWOkGDiY25FuzYlufZa2+jWXUQSYbp en8Q== X-Gm-Message-State: AOAM531MnxGJNvbcp64oR2QSH354WkgYGtZpjeWFtCir5MOt3TIRvX7d afQhQy7UA+L1GPF3XXRiM3Qw X-Google-Smtp-Source: ABdhPJwccSvE2dsPUnRdYMuRmIU5M5+QvCqttrIbWrSu+57REa2WO+REfPGQCS/eNyLBDt3j5mlQ+w== X-Received: by 2002:a17:902:8211:b029:ef:64c8:5bb2 with SMTP id x17-20020a1709028211b02900ef64c85bb2mr32604471pln.64.1621242559804; Mon, 17 May 2021 02:09:19 -0700 (PDT) Received: from localhost ([139.177.225.253]) by smtp.gmail.com with ESMTPSA id 63sm1227877pfz.26.2021.05.17.02.09.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 May 2021 02:09:19 -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 05/17] drm/virtio: Remove unused used length Date: Mon, 17 May 2021 17:08:24 +0800 Message-Id: <20210517090836.533-6-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/gpu/drm/virtio/virtgpu_vq.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index cf84d382dd41..4b164bacc68e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -186,10 +186,9 @@ static void free_vbuf(struct virtio_gpu_device *vgdev, static void reclaim_vbufs(struct virtqueue *vq, struct list_head *reclaim_list) { struct virtio_gpu_vbuffer *vbuf; - unsigned int len; int freed = 0; - while ((vbuf = virtqueue_get_buf(vq, &len))) { + while ((vbuf = virtqueue_get_buf(vq, NULL))) { list_add_tail(&vbuf->list, reclaim_list); freed++; } -- 2.11.0