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pegasus: add blacklist support to fix Belkin bluetooth dongle. 

Reference: https://launchpad.net/bugs/140511

The Belkin bluetooth dongle unfortunately shares the vendor and device id
with the network adapter which causes lockups whenever the bluetooth
dongle is inserted.

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Ben Collins <ben.collins@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Ben Collins 2008-07-30 12:39:02 -07:00 committed by Jeff Garzik
parent 11a859e591
commit 4f63135eb2
1 changed files with 21 additions and 0 deletions
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21
drivers/net/usb/pegasus.c
View File

@ -1285,6 +1285,21 @@ static void check_carrier(struct work_struct *work)
}
}
static int pegasus_blacklisted(struct usb_device *udev)
{
struct usb_device_descriptor *udd = &udev->descriptor;
/* Special quirk to keep the driver from handling the Belkin Bluetooth
* dongle which happens to have the same ID.
*/
if ((udd->idVendor == VENDOR_BELKIN && udd->idProduct == 0x0121) &&
(udd->bDeviceClass == USB_CLASS_WIRELESS_CONTROLLER) &&
(udd->bDeviceProtocol == 1))
return 1;
return 0;
}
static int pegasus_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
@ -1296,6 +1311,12 @@ static int pegasus_probe(struct usb_interface *intf,
DECLARE_MAC_BUF(mac);
usb_get_dev(dev);
if (pegasus_blacklisted(dev)) {
res = -ENODEV;
goto out;
}
net = alloc_etherdev(sizeof(struct pegasus));
if (!net) {
dev_err(&intf->dev, "can't allocate %s\n", "device");