Return-path: Received: from mga04.intel.com ([192.55.52.120]:27174 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750769AbdKEXyS (ORCPT ); Sun, 5 Nov 2017 18:54:18 -0500 Date: Mon, 6 Nov 2017 00:54:14 +0100 From: Samuel Ortiz To: Johan Hovold Cc: "David S. Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Dan Carpenter , stable Subject: Re: [PATCH] NFC: fix device-allocation error return Message-ID: <20171105235414.GA27831@zurbaran.ger.intel.com> (sfid-20171106_005428_065974_45995B85) References: <20170709110858.20331-1-johan@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20170709110858.20331-1-johan@kernel.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Johan, On Sun, Jul 09, 2017 at 01:08:58PM +0200, Johan Hovold wrote: > A recent change fixing NFC device allocation itself introduced an > error-handling bug by returning an error pointer in case device-id > allocation failed. This is clearly broken as the callers still expected > NULL to be returned on errors as detected by Dan's static checker. > > Fix this up by returning NULL in the event that we've run out of memory > when allocating a new device id. > > Note that the offending commit is marked for stable (3.8) so this fix > needs to be backported along with it. > > Fixes: 20777bc57c34 ("NFC: fix broken device allocation") > Cc: stable # 3.8 > Reported-by: Dan Carpenter > Signed-off-by: Johan Hovold > --- > net/nfc/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Applied, thanks for the fix. Cheers, Samuel.