linux-kernel - [PATCH 15/58] USB: mos7840: fix big-endian probe

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Message-Id: <1378112083-9475-16-git-send-email-luis.henriques@canonical.com>
Date:	Mon,  2 Sep 2013 09:54:00 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Johan Hovold <jhovold@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 15/58] USB: mos7840: fix big-endian probe

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

------------------

From: Johan Hovold <jhovold@...il.com>

commit d551ec9b690f3de65b0091a2e767f1382adc792d upstream.

Fix bug in device-type detection on big-endian machines originally
introduced by commit 0eafe4de ("USB: serial: mos7840: add support for
MCS7810 devices") which always matched on little-endian product ids.

Reported-by: kbuild test robot <fengguang.wu@...el.com>
Signed-off-by: Johan Hovold <jhovold@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/usb/serial/mos7840.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 0d51815..d9368be 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2405,7 +2405,7 @@ static int mos7810_check(struct usb_serial *serial)
 static int mos7840_probe(struct usb_serial *serial,
 				const struct usb_device_id *id)
 {
-	u16 product = serial->dev->descriptor.idProduct;
+	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
 	u8 *buf;
 	int device_type;
 
-- 
1.8.3.2

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