virtio: enhance id_matching for virtio drivers

This patch allows a virtio driver to use VIRTIO_DEV_ANY_ID for the
device id. This will be used by a test module that can be bound to
any virtio device.

Signed-off-by: Christian Borntraeger <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
This commit is contained in:
Christian Borntraeger 2009-05-26 15:46:10 +02:00 • committed by Rusty Russell
commit e335385373
2 changed files with 2 additions and 2 deletions

View file

@ -58,7 +58,7 @@ static struct device_attribute virtio_dev_attrs[] = {
static inline int virtio_id_match(const struct virtio_device *dev,
const struct virtio_device_id *id)
{
if (id->device != dev->id.device)
if (id->device != dev->id.device && id->device != VIRTIO_DEV_ANY_ID)
return 0;
return id->vendor == VIRTIO_DEV_ANY_ID || id->vendor == dev->id.vendor;