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=-9.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 D9EBFC070C3 for ; Tue, 16 Oct 2018 04:15:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 999F92147E for ; Tue, 16 Oct 2018 04:15:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="YUj1IdQN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 999F92147E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729733AbeJPMDw (ORCPT ); Tue, 16 Oct 2018 08:03:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:52460 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728408AbeJPMDv (ORCPT ); Tue, 16 Oct 2018 08:03:51 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6E7BC21477; Tue, 16 Oct 2018 04:15:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539663328; bh=/1HVK8jkEEJZI4UXy49lEh+z5P0tMTX90xRvbrtQD04=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YUj1IdQNjVPwh6LTAd7kOLLudkjwHP0Mb90yhfIuVbMVo2RtIqXkvPksz/+m06bLJ gioD/DPt7ZOIzAzAGipY3l1fWj6YdS20Dl9b3jQgl+7fqLjOMW87v8mMk4MeMNf9xZ lQPm6khs9wiqGikWlhvQMaIy9sd8QLlayzrfWDcs= From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andrei Otcheretianski , Luca Coelho , Johannes Berg , Sasha Levin Subject: [PATCH AUTOSEL 4.9 03/38] mac80211: Always report TX status Date: Tue, 16 Oct 2018 00:14:47 -0400 Message-Id: <20181016041522.135789-3-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181016041522.135789-1-sashal@kernel.org> References: <20181016041522.135789-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrei Otcheretianski [ Upstream commit 8682250b3c1b75a45feb7452bc413d004cfe3778 ] If a frame is dropped for any reason, mac80211 wouldn't report the TX status back to user space. As the user space may rely on the TX_STATUS to kick its state machines, resends etc, it's better to just report this frame as not acked instead. Signed-off-by: Andrei Otcheretianski Signed-off-by: Luca Coelho Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/status.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 72fe9bc7a1f9..7892bac21eac 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -472,11 +472,6 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, if (!skb) return; - if (dropped) { - dev_kfree_skb_any(skb); - return; - } - if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) { u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie; struct ieee80211_sub_if_data *sdata; @@ -497,6 +492,8 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, } rcu_read_unlock(); + dev_kfree_skb_any(skb); + } else if (dropped) { dev_kfree_skb_any(skb); } else { /* consumes skb */ -- 2.17.1