From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752547AbcLFKvd (ORCPT ); Tue, 6 Dec 2016 05:51:33 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:42828 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752300AbcLFKvb (ORCPT ); Tue, 6 Dec 2016 05:51:31 -0500 Date: Tue, 6 Dec 2016 11:51:38 +0100 From: Greg Kroah-Hartman To: Colin King Cc: Sudip Mukherjee , Arnd Bergmann , linux-kernel@vger.kernel.org Subject: Re: [PATCH] ppdev: don't print a free'd string Message-ID: <20161206105138.GA10275@kroah.com> References: <20161202162355.25470-1-colin.king@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161202162355.25470-1-colin.king@canonical.com> User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 02, 2016 at 04:23:55PM +0000, Colin King wrote: > From: Colin Ian King > > A previous fix of a memory leak now prints the string 'name' > that was previously free'd. Fix this by free'ing the string > at the end of the function and adding an error exit path for > the error conditions. > > CoverityScan CID#1384523 ("Use after free") > > Fixes: 2bd362d5f45c1 ("ppdev: fix memory leak") > Signed-off-by: Colin Ian King > --- > drivers/char/ppdev.c | 13 ++++++++----- > 1 file changed, 8 insertions(+), 5 deletions(-) Sudip, any thoughts?