From patchwork Tue Nov 6 00:22:11 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Franky Lin X-Patchwork-Id: 1702201 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 6D7EADFB7E for ; Tue, 6 Nov 2012 00:22:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753575Ab2KFAWq (ORCPT ); Mon, 5 Nov 2012 19:22:46 -0500 Received: from mms3.broadcom.com ([216.31.210.19]:4439 "EHLO mms3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751733Ab2KFAWo (ORCPT ); Mon, 5 Nov 2012 19:22:44 -0500 Received: from [10.9.200.133] by mms3.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.5)); Mon, 05 Nov 2012 16:19:13 -0800 X-Server-Uuid: B86B6450-0931-4310-942E-F00ED04CA7AF Received: from mail-irva-13.broadcom.com (10.11.16.103) by IRVEXCHHUB02.corp.ad.broadcom.com (10.9.200.133) with Microsoft SMTP Server id 8.2.247.2; Mon, 5 Nov 2012 16:22:09 -0800 Received: from mail-sj1-12.sj.broadcom.com (mail-sj1-12.sj.broadcom.com [10.17.16.106]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 721CC40FE4; Mon, 5 Nov 2012 16:22:37 -0800 (PST) Received: from lc-sj1-3560.broadcom.com (lc-sj1-3560.sj.broadcom.com [10.17.194.250]) by mail-sj1-12.sj.broadcom.com (Postfix) with ESMTP id 7E8CA207D8; Mon, 5 Nov 2012 16:22:32 -0800 (PST) Received: by lc-sj1-3560.broadcom.com (Postfix, from userid 25250) id 48B38158A549; Mon, 5 Nov 2012 16:22:32 -0800 (PST) From: "Franky Lin" To: linville@tuxdriver.com cc: linux-wireless@vger.kernel.org, "Arend van Spriel" Subject: [PATCH 03/24] brcmfmac: restrict error condition in brcmf_inform_bss() Date: Mon, 5 Nov 2012 16:22:11 -0800 Message-ID: <1352161352-30405-4-git-send-email-frankyl@broadcom.com> X-Mailer: git-send-email 1.7.6 In-Reply-To: <1352161352-30405-1-git-send-email-frankyl@broadcom.com> References: <1352161352-30405-1-git-send-email-frankyl@broadcom.com> MIME-Version: 1.0 X-WSS-ID: 7C86880B3T42779367-01-01 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Arend van Spriel The function brcmf_inform_bss() validates the version received from the device, before processing the individual bss entries. This error condition is only applicable when the list contains entries. A specific scan, ie. for a specific ssid, can result in a scan completion without finding any bss entries. No need to flag it as an error in the log when this happens. Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel Signed-off-by: Franky Lin --- .../net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index f05ab77..c979ce1 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -2345,7 +2345,8 @@ static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) int i; bss_list = cfg->bss_list; - if (bss_list->version != BRCMF_BSS_INFO_VERSION) { + if (bss_list->count != 0 && + bss_list->version != BRCMF_BSS_INFO_VERSION) { WL_ERR("Version %d != WL_BSS_INFO_VERSION\n", bss_list->version); return -EOPNOTSUPP;