github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-08 14:42:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

uwb: fix device quirk on big-endian hosts

Browse Source 
commit 41318a2b82 upstream.

Add missing endianness conversion when using the USB device-descriptor
idProduct field to apply a hardware quirk.

Fixes: 1ba47da527 ("uwb: add the i1480 DFU driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2017-05-12 12:06:32 +02:00 committed by Greg Kroah-Hartman
parent ca19dd15e7
commit 1736f2b3de
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/uwb/i1480/dfu/usb.c
View File

@ -341,6 +341,7 @@ int i1480_usb_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size)
static
int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(iface);
struct i1480_usb *i1480_usb;
struct i1480 *i1480;
struct device *dev = &iface->dev;
@ -352,8 +353,8 @@ int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
iface->cur_altsetting->desc.bInterfaceNumber);
goto error;
}
if (iface->num_altsetting > 1
&& interface_to_usbdev(iface)->descriptor.idProduct == 0xbabe) {
if (iface->num_altsetting > 1 &&
le16_to_cpu(udev->descriptor.idProduct) == 0xbabe) {
/* Need altsetting #1 [HW QUIRK] or EP1 won't work */
result = usb_set_interface(interface_to_usbdev(iface), 0, 1);
if (result < 0)