From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 13 Jul 2016 10:14:33 +0000 (+0300)
Subject: usb: gadget: fsl_qe_udc: off by one in setup_received_handle()
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=e9caf24cdf4b505d1204e109c9d41defdf57e197;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

usb: gadget: fsl_qe_udc: off by one in setup_received_handle()

commit 7442e6db5bdd0dce4615205508301f9b22e502d6 upstream.

The udc->eps[] array has USB_MAX_ENDPOINTS elements so > should be >=.

Fixes: 3948f0e0c999 ('usb: add Freescale QE/CPM USB peripheral controller driver')
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c
index 5fb6f8b4f0b4..c73689b72f95 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];