From patchwork Thu Nov 29 06:00:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sasha Levin X-Patchwork-Id: 10704001 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5241613BF for ; Thu, 29 Nov 2018 06:10:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3BD4E2E778 for ; Thu, 29 Nov 2018 06:10:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2FDDC2E78D; Thu, 29 Nov 2018 06:10:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C01902E778 for ; Thu, 29 Nov 2018 06:10:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728479AbeK2RFi (ORCPT ); Thu, 29 Nov 2018 12:05:38 -0500 Received: from mail.kernel.org ([198.145.29.99]:40998 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727767AbeK2RFi (ORCPT ); Thu, 29 Nov 2018 12:05:38 -0500 Received: from sasha-vm.mshome.net (unknown [37.142.5.207]) (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 280E521104; Thu, 29 Nov 2018 06:01:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1543471286; bh=jY7+2yB08jE8HxtxUtg+NxWiQ/iXK6M0A3+UFF+CLmE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xMw/Xj14EGS+otL3dXhmPpU8YPxTj/ApVmyD9Svp8B8jS4IKsKP0LivNheeYhpY0b pJ/AqEZ7A4/ReguNX9g5Mdbq7rZ7emopkdSVGwQyznowhJewuOUkC2yL5tC6qChmWz nvgBarZveLh10WYWCzAtYFu0SksjEG7V7phAlleE= From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Kalle Valo , Sasha Levin , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 03/35] brcmutil: really fix decoding channel info for 160 MHz bandwidth Date: Thu, 29 Nov 2018 01:00:37 -0500 Message-Id: <20181129060110.159878-3-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181129060110.159878-1-sashal@kernel.org> References: <20181129060110.159878-1-sashal@kernel.org> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Rafał Miłecki [ Upstream commit 3401d42c7ea2d064d15c66698ff8eb96553179ce ] Previous commit /adding/ support for 160 MHz chanspecs was incomplete. It didn't set bandwidth info and didn't extract control channel info. As the result it was also using uninitialized "sb" var. This change has been tested for two chanspecs found to be reported by some devices/firmwares: 1) 60/160 (0xee32) Before: chnum:50 control_ch_num:36 After: chnum:50 control_ch_num:60 2) 120/160 (0xed72) Before: chnum:114 control_ch_num:100 After: chnum:114 control_ch_num:120 Fixes: 330994e8e8ec ("brcmfmac: fix for proper support of 160MHz bandwidth") Signed-off-by: Rafał Miłecki Signed-off-by: Kalle Valo Signed-off-by: Sasha Levin --- drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c index e7584b842dce..eb5db94f5745 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c @@ -193,6 +193,9 @@ static void brcmu_d11ac_decchspec(struct brcmu_chan *ch) } break; case BRCMU_CHSPEC_D11AC_BW_160: + ch->bw = BRCMU_CHAN_BW_160; + ch->sb = brcmu_maskget16(ch->chspec, BRCMU_CHSPEC_D11AC_SB_MASK, + BRCMU_CHSPEC_D11AC_SB_SHIFT); switch (ch->sb) { case BRCMU_CHAN_SB_LLL: ch->control_ch_num -= CH_70MHZ_APART;