From patchwork Tue Nov 6 00:22:15 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Franky Lin X-Patchwork-Id: 1702241 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 E8D74DF2AB for ; Tue, 6 Nov 2012 00:23:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753224Ab2KFAW7 (ORCPT ); Mon, 5 Nov 2012 19:22:59 -0500 Received: from mms3.broadcom.com ([216.31.210.19]:4440 "EHLO mms3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753906Ab2KFAWt (ORCPT ); Mon, 5 Nov 2012 19:22:49 -0500 Received: from [10.9.200.133] by mms3.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.5)); Mon, 05 Nov 2012 16:19:14 -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 16:22:10 -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 2611640FE5; Mon, 5 Nov 2012 16:22:38 -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 843E6207DE; Mon, 5 Nov 2012 16:22:33 -0800 (PST) Received: by lc-sj1-3560.broadcom.com (Postfix, from userid 25250) id 51D95158A5B2; Mon, 5 Nov 2012 16:22:32 -0800 (PST) From: "Franky Lin" To: linville@tuxdriver.com cc: linux-wireless@vger.kernel.org, "Hante Meuleman" Subject: [PATCH 07/24] brcmfmac: handle exceptions in brcmf_bus_start correct. Date: Mon, 5 Nov 2012 16:22:15 -0800 Message-ID: <1352161352-30405-8-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: 7C8688083T42779371-02-01 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Hante Meuleman On exception during brcmf_bus_start the netdev should be freed, if already allocated. Reviewed-by: Arend Van Spriel Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Hante Meuleman Signed-off-by: Franky Lin --- .../net/wireless/brcm80211/brcmfmac/dhd_linux.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index b130f20..9e2451f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -708,7 +708,6 @@ int brcmf_net_attach(struct brcmf_if *ifp) fail: ndev->netdev_ops = NULL; - free_netdev(ndev); return -EBADE; } @@ -858,15 +857,21 @@ int brcmf_bus_start(struct device *dev) /* Bus is ready, do any initialization */ ret = brcmf_c_preinit_dcmds(ifp); if (ret < 0) - return ret; + goto fail; drvr->config = brcmf_cfg80211_attach(drvr); - if (drvr->config == NULL) - return -ENOMEM; + if (drvr->config == NULL) { + ret = -ENOMEM; + goto fail; + } ret = brcmf_net_attach(ifp); +fail: if (ret < 0) { brcmf_dbg(ERROR, "brcmf_net_attach failed"); + if (drvr->config) + brcmf_cfg80211_detach(drvr->config); + free_netdev(drvr->iflist[0]->ndev); drvr->iflist[0] = NULL; return ret; }