[54/59] USB: ftdi_sio: fix endianess of max packet size

From: Greg KH
Date: Tue Aug 24 2010 - 18:56:09 EST


2.6.32-stable review patch. If anyone has any objections, please let us know.

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

From: Michael Wileczka <mikewileczka@xxxxxxxxx>

commit d1ab903d2552b2362339b19203c7f01c797cb316 upstream.

The USB max packet size (always little-endian) was not being byte
swapped on big-endian systems.

Applicable since [USB: ftdi_sio: fix hi-speed device packet size calculation] approx 2.6.31

Signed-off-by: Michael Wileczka <mikewileczka@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

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

--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1410,7 +1410,7 @@ static void ftdi_set_max_packet_size(str
}

/* set max packet size based on descriptor */
- priv->max_packet_size = ep_desc->wMaxPacketSize;
+ priv->max_packet_size = le16_to_cpu(ep_desc->wMaxPacketSize);

dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
}


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