Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755511AbZGMTfE (ORCPT ); Mon, 13 Jul 2009 15:35:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755393AbZGMTfD (ORCPT ); Mon, 13 Jul 2009 15:35:03 -0400 Received: from fg-out-1718.google.com ([72.14.220.155]:50919 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755394AbZGMTfB (ORCPT ); Mon, 13 Jul 2009 15:35:01 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :content-type:content-transfer-encoding; b=Kgw5lzloFwEPMBYsJIz79oWvl1O2BDEhRauj//x3mQWvSAzcOA2F3y1b0QQw9ziSq3 NU8o3SFhGGmKHbDNdtP1OUklbzomYPY0a12yzvNSkzLMmhma9fS82OLP3N7LzoLiCfkU jSY0JOkpt4PQPfphKJ1WoM6TwcVibtQWRFcqA= Message-ID: <4A5B8C60.9000600@gmail.com> Date: Mon, 13 Jul 2009 21:34:56 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1pre) Gecko/20090528 SUSE/3.0b2-11.8 Thunderbird/3.0b3pre MIME-Version: 1.0 To: yi.zhu@intel.com CC: reinette.chatre@intel.com, linux-wireless@vger.kernel.org, ipw3945-devel@lists.sourceforge.net, Linux kernel mailing list Subject: iwl: potential deadlock? Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 491 Lines: 18 Hi, we found a potential deadlock in iwl code by our tool. Can this happen: iwl_update_tkip_key() -> spin_lock_irqsave(&priv->sta_lock) -> iwl_send_add_sta() -> iwl_sta_ucode_activate() -> spin_lock_irqsave(&priv->sta_lock) ? Thanks. -- 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/