linux-kernel - [ 32/45] USB: mos7840: fix big-endian probe

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Message-Id: <20130818203623.224566690@linuxfoundation.org>
Date:	Sun, 18 Aug 2013 13:36:21 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, kbuild test robot <fengguang.wu@...el.com>,
	Johan Hovold <jhovold@...il.com>
Subject: [ 32/45] USB: mos7840: fix big-endian probe

3.10-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>

---
 drivers/usb/serial/mos7840.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2208,7 +2208,7 @@ static int mos7810_check(struct usb_seri
 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;
 


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