Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758352Ab3FCO02 (ORCPT ); Mon, 3 Jun 2013 10:26:28 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36272 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758040Ab3FCO0Z (ORCPT ); Mon, 3 Jun 2013 10:26:25 -0400 Date: Mon, 3 Jun 2013 07:26:54 -0700 From: Greg KH To: Tomas Winkler Cc: arnd@arndb.de, linux-kernel@vger.kernel.org, Samuel Ortiz Subject: Re: [char-misc 3.10] mei: nfc: fix nfc device freeing Message-ID: <20130603142654.GD7024@kroah.com> References: <1370240910-16411-1-git-send-email-tomas.winkler@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1370240910-16411-1-git-send-email-tomas.winkler@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 19 On Mon, Jun 03, 2013 at 09:28:30AM +0300, Tomas Winkler wrote: > The nfc_dev is a static variable and is not cleaned properly upon reset > mainly ndev->cl and ndev->cl_info are not set to NULL after freeing which Then it needs to be made dynamic, don't paper over the bug by zeroing it out, you really have a much larger issue here that just hasn't hit you yet. No 'struct device' should ever be in a static variable, please fix this properly. thanks, greg k-h -- 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/