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 C7181C433FF for ; Fri, 2 Aug 2019 13:29:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 94D64217D6 for ; Fri, 2 Aug 2019 13:29:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564752541; bh=ajceEfQ3nTMUXf+1ofcZsI0qRG3vNYfFwmJrC3HXbpw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GkXQip4wA4qQ3jwXM8q8fgO5ZToift6wtxA08AjZdtT26qqZHKpXCXmT6Lqvg+G8m e6J/75wk9R3OE9irVfrTiF7sXJl0CkChAc2ZSSo02YWjoQlgheT9tj1rnn+p95P5ur D5EgoJOM6r+EZhOXfJEWReo4I91LDM0Ig3JPyRJQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390136AbfHBN0B (ORCPT ); Fri, 2 Aug 2019 09:26:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:36690 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391467AbfHBN0B (ORCPT ); Fri, 2 Aug 2019 09:26:01 -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 6ECC62182B; Fri, 2 Aug 2019 13:25:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564752360; bh=ajceEfQ3nTMUXf+1ofcZsI0qRG3vNYfFwmJrC3HXbpw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HZQT+wl9gY03iwDIHFr1a6lMc/WS8bd4NYpEOj1/+H6J4OHExUxdEL2mu0PiNIcPb JVAEVLUTUvQlrxLgerZaCBsQNrGSR+syUHP91/IusCQFk++c4LasmWZEykZXB7ArTv VahAZrN0Dp/PFfWou28YZq6gawLAkTyIgHgWMzBA= 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 4.9 03/22] mac80211: don't warn about CW params when not using them Date: Fri, 2 Aug 2019 09:25:27 -0400 Message-Id: <20190802132547.14517-3-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190802132547.14517-1-sashal@kernel.org> References: <20190802132547.14517-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@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