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: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index bd0745250fd9..22642a255d32 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -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