From: Michael Wileczka Date: Wed, 18 Aug 2010 14:14:37 +0000 (-0700) Subject: USB: ftdi_sio: fix endianess of max packet size X-Git-Tag: firefly_0821_release~10186^2~1061 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c913aa09581fdc2ebd9f1cf3dad8aff5b3066f50;p=firefly-linux-kernel-4.4.55.git USB: ftdi_sio: fix endianess of max packet size 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index b2353a9e6539..7d3d93710132 100644 --- 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(struct usb_serial_port *port) } /* 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); }