Commit c89e8016 authored by Christian Borntraeger's avatar Christian Borntraeger Committed by Rusty Russell
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virtio: fix id_matching for virtio drivers



This bug never appeared, since all current virtio drivers use
VIRTIO_DEV_ANY_ID for the vendor field. If a real vendor would be used,
the check in virtio_id_match is wrong - it returns 0 if
id->vendor == dev->id.vendor.

Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 594de1dd
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+1 −1
Original line number Diff line number Diff line
@@ -61,7 +61,7 @@ static inline int virtio_id_match(const struct virtio_device *dev,
	if (id->device != dev->id.device)
		return 0;

	return id->vendor == VIRTIO_DEV_ANY_ID || id->vendor != dev->id.vendor;
	return id->vendor == VIRTIO_DEV_ANY_ID || id->vendor == dev->id.vendor;
}

/* This looks through all the IDs a driver claims to support.  If any of them