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Some manufacturers use the same vendor and product id for different devices. 

We need to sanity check the DeviceClass in this case.

Currently known guilty products:
0x050d/0x0121 Belkin Bluetooth and USB2LAN

If this turns out to be more common, we could use a quirk table.
This commit is contained in:
sborrill 2007-11-20 10:43:01 +00:00
parent 53cbf2f68b
commit 12e455f905
1 changed files with 22 additions and 2 deletions
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24
sys/dev/usb/if_aue.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_aue.c,v 1.104 2007/09/01 07:32:32 dyoung Exp $ */
/* $NetBSD: if_aue.c,v 1.105 2007/11/20 10:43:01 sborrill Exp $ */
/*
* Copyright (c) 1997, 1998, 1999, 2000
* Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
@ -77,7 +77,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_aue.c,v 1.104 2007/09/01 07:32:32 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_aue.c,v 1.105 2007/11/20 10:43:01 sborrill Exp $");
#if defined(__NetBSD__)
#include "opt_inet.h"
@ -713,6 +713,26 @@ USB_MATCH(aue)
{
USB_MATCH_START(aue, uaa);
/*
* Some manufacturers use the same vendor and product id for
* different devices. We need to sanity check the DeviceClass
* in this case
* Currently known guilty products:
* 0x050d/0x0121 Belkin Bluetooth and USB2LAN
*
* If this turns out to be more common, we could use a quirk
* table.
*/
if (uaa->vendor == USB_VENDOR_BELKIN &&
uaa->product == USB_PRODUCT_BELKIN_USB2LAN) {
usb_device_descriptor_t *dd;
dd = usbd_get_device_descriptor(uaa->device);
if (dd != NULL &&
dd->bDeviceClass != UDCLASS_IN_INTERFACE)
return (UMATCH_NONE);
}
return (aue_lookup(uaa->vendor, uaa->product) != NULL ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
}