From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Chen Date: Fri, 15 Jul 2016 06:34:29 +0000 Subject: Re: [patch] usb: gadget: fsl_qe_udc: off by one in setup_received_handle() Message-Id: <20160715063429.GD817@shlinux2> List-Id: References: <20160713101433.GI29468@mwanda> In-Reply-To: <20160713101433.GI29468@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Dan Carpenter Cc: Li Yang , Xie Xiaobo , Felipe Balbi , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kernel-janitors@vger.kernel.org On Wed, Jul 13, 2016 at 01:14:33PM +0300, Dan Carpenter wrote: > The udc->eps[] array has USB_MAX_ENDPOINTS elements so > should be >=. > > Fixes: 3948f0e0c999 ('usb: add Freescale QE/CPM USB peripheral controller driver') > Signed-off-by: Dan Carpenter > > diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c > index 93d28cb..cf8819a 100644 > --- a/drivers/usb/gadget/udc/fsl_qe_udc.c > +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c > @@ -2053,7 +2053,7 @@ static void setup_received_handle(struct qe_udc *udc, > struct qe_ep *ep; > > if (wValue != 0 || wLength != 0 > - || pipe > USB_MAX_ENDPOINTS) > + || pipe >= USB_MAX_ENDPOINTS) > break; > ep = &udc->eps[pipe]; > Acked-by: Peter Chen -- Best Regards, Peter Chen