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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 2A35FC433FF for ; Fri, 2 Aug 2019 13:29:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0240F2182B for ; Fri, 2 Aug 2019 13:29:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564752593; bh=ajceEfQ3nTMUXf+1ofcZsI0qRG3vNYfFwmJrC3HXbpw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tefHScT/4OAddRqw8ObRe5HngD+i7DJ9UKgQYSwEkCrMaWIKbmdlTcBAZiDhfesjI WtCtlJGufnqdZ5KtONeEsqGZu/0QxQ4ks4Oml4qwc4zDqGQFr+Y/AE5CAm44GTOykg JF2+ElIckT+w5c/sSfFah/8yDl1ASpRrBzyI7IWU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394223AbfHBNYn (ORCPT ); Fri, 2 Aug 2019 09:24:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:35436 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2394214AbfHBNYm (ORCPT ); Fri, 2 Aug 2019 09:24:42 -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 50C1820880; Fri, 2 Aug 2019 13:24:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564752281; bh=ajceEfQ3nTMUXf+1ofcZsI0qRG3vNYfFwmJrC3HXbpw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Eta5nSThW+llCyXZYSE+5JuuRUFvmY/Fc0NxH8sJThp815GmDkWJ8LVKNjYOdL9UX EgaVt5Yw795iMZDD8vbWDqv/krqug8LDrFqOOAExoykBrA4XGjy+QS4h0Rcv77ur0n fVvERZ5KvH4wl6iCv+WBkZhrFxD5rQovtWeM+fHQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Brian Norris , Johannes Berg , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 07/30] mac80211: don't warn about CW params when not using them Date: Fri, 2 Aug 2019 09:23:59 -0400 Message-Id: <20190802132422.13963-7-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190802132422.13963-1-sashal@kernel.org> References: <20190802132422.13963-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Brian Norris [ Upstream commit d2b3fe42bc629c2d4002f652b3abdfb2e72991c7 ] ieee80211_set_wmm_default() normally sets up the initial CW min/max for each queue, except that it skips doing this if the driver doesn't support ->conf_tx. We still end up calling drv_conf_tx() in some cases (e.g., ieee80211_reconfig()), which also still won't do anything useful...except it complains here about the invalid CW parameters. Let's just skip the WARN if we weren't going to do anything useful with the parameters. Signed-off-by: Brian Norris Link: https://lore.kernel.org/r/20190718015712.197499-1-briannorris@chromium.org Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/driver-ops.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index bb886e7db47f1..f783d1377d9a8 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -169,11 +169,16 @@ int drv_conf_tx(struct ieee80211_local *local, if (!check_sdata_in_driver(sdata)) return -EIO; - if (WARN_ONCE(params->cw_min == 0 || - params->cw_min > params->cw_max, - "%s: invalid CW_min/CW_max: %d/%d\n", - sdata->name, params->cw_min, params->cw_max)) + if (params->cw_min == 0 || params->cw_min > params->cw_max) { + /* + * If we can't configure hardware anyway, don't warn. We may + * never have initialized the CW parameters. + */ + WARN_ONCE(local->ops->conf_tx, + "%s: invalid CW_min/CW_max: %d/%d\n", + sdata->name, params->cw_min, params->cw_max); return -EINVAL; + } trace_drv_conf_tx(local, sdata, ac, params); if (local->ops->conf_tx) -- 2.20.1