linux-kernel - [PATCH 3.12 031/119] USB: fix typo in wMaxPacketSize validation

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Message-Id: <047f96ef719b4e2a0c475775c3489338ed0b9060.1475144721.git.jslaby@suse.cz>
Date:   Thu, 29 Sep 2016 12:24:27 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Alan Stern <stern@...land.harvard.edu>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 031/119] USB: fix typo in wMaxPacketSize validation

From: Alan Stern <stern@...land.harvard.edu>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 6c73358c83ce870c0cf32413e5cadb3b9a39c606 upstream.

The maximum value allowed for wMaxPacketSize of a high-speed interrupt
endpoint is 1024 bytes, not 1023.

Signed-off-by: Alan Stern <stern@...land.harvard.edu>
Fixes: aed9d65ac327 ("USB: validate wMaxPacketValue entries in endpoint descriptors")
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/usb/core/config.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index c7e10f5b1143..666cd3641d31 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -160,7 +160,7 @@ static const unsigned short high_speed_maxpacket_maxes[4] = {
 	[USB_ENDPOINT_XFER_CONTROL] = 64,
 	[USB_ENDPOINT_XFER_ISOC] = 1024,
 	[USB_ENDPOINT_XFER_BULK] = 512,
-	[USB_ENDPOINT_XFER_INT] = 1023,
+	[USB_ENDPOINT_XFER_INT] = 1024,
 };
 static const unsigned short super_speed_maxpacket_maxes[4] = {
 	[USB_ENDPOINT_XFER_CONTROL] = 512,
-- 
2.10.0