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Message-ID: <lsq.1479082460.233364520@decadent.org.uk>
Date: Mon, 14 Nov 2016 00:14:20 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org,
"Felipe Balbi" <felipe.balbi@...ux.intel.com>,
"Dan Carpenter" <dan.carpenter@...cle.com>,
"Peter Chen" <peter.chen@....com>
Subject: [PATCH 3.16 173/346] usb: gadget: fsl_qe_udc: off by one in
setup_received_handle()
3.16.39-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@...cle.com>
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@....com>
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Felipe Balbi <felipe.balbi@...ux.intel.com>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
drivers/usb/gadget/fsl_qe_udc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2057,7 +2057,7 @@ static void setup_received_handle(struct
struct qe_ep *ep;
if (wValue != 0 || wLength != 0
- || pipe > USB_MAX_ENDPOINTS)
+ || pipe >= USB_MAX_ENDPOINTS)
break;
ep = &udc->eps[pipe];
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