From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [patch] Input: cyapa - off by on in cyapa_update_fw_store() Date: Thu, 22 Jan 2015 08:21:36 -0800 Message-ID: <20150122162136.GB18153@dtor-ws> References: <20150122074801.GA11491@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20150122074801.GA11491@mwanda> Sender: kernel-janitors-owner@vger.kernel.org To: Dan Carpenter Cc: Henrik Rydberg , Dudley Du , Jingoo Han , linux-input@vger.kernel.org, kernel-janitors@vger.kernel.org List-Id: linux-input@vger.kernel.org On Thu, Jan 22, 2015 at 10:48:01AM +0300, Dan Carpenter wrote: > If "(count == NAME_MAX)" then we could end up putting the NUL terminator > one space beyond the end of the fw_name[] array. > > Signed-off-by: Dan Carpenter Applied, thank you. > > diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c > index 64c6128..58f4f6f 100644 > --- a/drivers/input/mouse/cyapa.c > +++ b/drivers/input/mouse/cyapa.c > @@ -1013,7 +1013,7 @@ static ssize_t cyapa_update_fw_store(struct device *dev, > char fw_name[NAME_MAX]; > int ret, error; > > - if (count > NAME_MAX) { > + if (count >= NAME_MAX) { > dev_err(dev, "File name too long\n"); > return -EINVAL; > } -- Dmitry