diff options
Diffstat (limited to 'drivers/virtio/virtio.c')
| -rw-r--r-- | drivers/virtio/virtio.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 2b9aafb4d679..746d350c8062 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -159,7 +159,7 @@ static int virtio_dev_probe(struct device *_d) int err, i; struct virtio_device *dev = dev_to_virtio(_d); struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); - u32 device_features; + u64 device_features; /* We have a driver! */ add_status(dev, VIRTIO_CONFIG_S_DRIVER); @@ -171,14 +171,14 @@ static int virtio_dev_probe(struct device *_d) dev->features = 0; for (i = 0; i < drv->feature_table_size; i++) { unsigned int f = drv->feature_table[i]; - BUG_ON(f >= 32); - if (device_features & (1 << f)) + BUG_ON(f >= 64); + if (device_features & (1ULL << f)) __virtio_set_bit(dev, f); } /* Transport features always preserved to pass to finalize_features. */ for (i = VIRTIO_TRANSPORT_F_START; i < VIRTIO_TRANSPORT_F_END; i++) - if (device_features & (1 << i)) + if (device_features & (1ULL << i)) __virtio_set_bit(dev, i); dev->config->finalize_features(dev); |