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 BB208C433ED for ; Mon, 17 May 2021 09:12:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98068611CD for ; Mon, 17 May 2021 09:12:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235877AbhEQJNX (ORCPT ); Mon, 17 May 2021 05:13:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235854AbhEQJKq (ORCPT ); Mon, 17 May 2021 05:10:46 -0400 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C876C06174A for ; Mon, 17 May 2021 02:09:31 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id 10so4517340pfl.1 for ; Mon, 17 May 2021 02:09:31 -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=tC4Yit2SbJjztAAvm5FRO8SPt4WnJt05HNckOpA/Ce4=; b=mNX9z2w1b0od1UGqHzd57fw48FT9ZtzqDCVLXDrR+D4u/mnRAMkUcqIUQrekex91Py 5q00yKWARWdtaTL2sXFPZzFHCk6xz2509GZZ1XRcB2KaDieaiDOd5gOYn0uO7D3TtYid lFaGQZJ5I3OTULNfss7VchBgXVOJnvXVAlAlQAv4DRrAJ/fgnAZq1AEyV+hP9Wk0JdcW U1hASuTrQUqKLgM081JhNRhtjzgkgzs7KWWqxgjuUDzRLoDq2Xe3AooT15ZUrOosr+za SKg9jgEQq9BtGO5Y84NtE7c6mMXs+lVpElAmQ/fh7jLQo8UOiohAgXOB9xMKg6mkxtqa rv2A== 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=tC4Yit2SbJjztAAvm5FRO8SPt4WnJt05HNckOpA/Ce4=; b=Ji6BTsU5dc6EpUelI2gIVTdLUjZLBZ/5c9J8Edl1NM3ksSD699XGUYlNjaGI7bp+xM Vivl64mvFa7mBhKupEIo7mRfxJr7eKfwmZ/TSpA+RjtsxS/auUelh3jLhQ6Yg2yDd2RJ wF8ir66mZHFPJCYNDqQSnNuelWgv36HTy8llSc5pgoHFOJGMwL5/I8aNwYDZLWPMWw0B Www8D40xNnHMCkUKiz2aeI4bXgc9QIbv5w1uoRF6Kd7lNue/WPU6jUJiozscW2oWCjCa 2h9TXe9SPLyj4IaxXCCQ4Mdg4kxyEZAju2/fvYiZGbmeHdLouQFeX4Kr4tGr6i+h7wwC NKJA== X-Gm-Message-State: AOAM532U4Al0c7ybfJZLtBmvo5zfRsawtuRxSv91lzOS856OykETtKye sFvTVgWkw4ECrHknjHRum2fN X-Google-Smtp-Source: ABdhPJxFNuB01DHVcLdx6l3Uu7uI8SeE3QtlrdAoSrluIEG+W3KePiiyGNbLVjn89/lsa/8rT4o51w== X-Received: by 2002:a63:ed41:: with SMTP id m1mr41110757pgk.252.1621242570661; Mon, 17 May 2021 02:09:30 -0700 (PDT) Received: from localhost ([139.177.225.253]) by smtp.gmail.com with ESMTPSA id l10sm9307448pfc.125.2021.05.17.02.09.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 May 2021 02:09:30 -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 08/17] mac80211_hwsim: Remove unused used length Date: Mon, 17 May 2021 17:08:27 +0800 Message-Id: <20210517090836.533-9-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 in some cases. Let's drop it and pass NULL to virtqueue_get_buf() instead. Signed-off-by: Xie Yongji --- drivers/net/wireless/mac80211_hwsim.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index fa7d4c20dc13..56d1484e7efa 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -4210,12 +4210,11 @@ static void hwsim_exit_netlink(void) #if IS_REACHABLE(CONFIG_VIRTIO) static void hwsim_virtio_tx_done(struct virtqueue *vq) { - unsigned int len; struct sk_buff *skb; unsigned long flags; spin_lock_irqsave(&hwsim_virtio_lock, flags); - while ((skb = virtqueue_get_buf(vq, &len))) + while ((skb = virtqueue_get_buf(vq, NULL))) nlmsg_free(skb); spin_unlock_irqrestore(&hwsim_virtio_lock, flags); } -- 2.11.0