Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933161Ab3FEVgV (ORCPT ); Wed, 5 Jun 2013 17:36:21 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:38059 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933066Ab3FEVgN (ORCPT ); Wed, 5 Jun 2013 17:36:13 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, YanBo , Johannes Berg Subject: [ 110/127] cfg80211: check wdev->netdev in connection work Date: Wed, 5 Jun 2013 14:34:37 -0700 Message-Id: <20130605213230.518489536@linuxfoundation.org> X-Mailer: git-send-email 1.8.3.rc0.20.gb99dd2e In-Reply-To: <20130605213217.966891866@linuxfoundation.org> References: <20130605213217.966891866@linuxfoundation.org> User-Agent: quilt/0.60-5.1.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1240 Lines: 40 3.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johannes Berg commit c815797663b72e3ac1736f1886538152bc48e4af upstream. If a P2P-Device is present and another virtual interface triggers the connection work, the system crash because it tries to check if the P2P-Device's netdev (which doesn't exist) is up. Skip any wdevs that have no netdev to fix this. Reported-by: YanBo Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- net/wireless/sme.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -227,6 +227,9 @@ void cfg80211_conn_work(struct work_stru mutex_lock(&rdev->sched_scan_mtx); list_for_each_entry(wdev, &rdev->wdev_list, list) { + if (!wdev->netdev) + continue; + wdev_lock(wdev); if (!netif_running(wdev->netdev)) { wdev_unlock(wdev); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/