diff options
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 4d1d47953fc..0c9ca67f66e 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -622,12 +622,9 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, unsigned int tmp; int i; - if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) { - BUG(); /* Caller should know better */ - return false; - } - - BUG_ON(out + in > VIRTNET_SEND_COMMAND_SG_MAX); + /* Caller should know better */ + BUG_ON(!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ) || + (out + in > VIRTNET_SEND_COMMAND_SG_MAX)); out++; /* Add header */ in++; /* Add return status */ @@ -642,8 +639,7 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, sg_set_buf(&sg[i + 1], sg_virt(s), s->length); sg_set_buf(&sg[out + in - 1], &status, sizeof(status)); - if (vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi) != 0) - BUG(); + BUG_ON(vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi)); vi->cvq->vq_ops->kick(vi->cvq); @@ -684,6 +680,7 @@ static void virtnet_set_rx_mode(struct net_device *dev) u8 promisc, allmulti; struct virtio_net_ctrl_mac *mac_data; struct dev_addr_list *addr; + struct netdev_hw_addr *ha; void *buf; int i; @@ -722,9 +719,9 @@ static void virtnet_set_rx_mode(struct net_device *dev) /* Store the unicast list and count in the front of the buffer */ mac_data->entries = dev->uc_count; - addr = dev->uc_list; - for (i = 0; i < dev->uc_count; i++, addr = addr->next) - memcpy(&mac_data->macs[i][0], addr->da_addr, ETH_ALEN); + i = 0; + list_for_each_entry(ha, &dev->uc_list, list) + memcpy(&mac_data->macs[i++][0], ha->addr, ETH_ALEN); sg_set_buf(&sg[0], mac_data, sizeof(mac_data->entries) + (dev->uc_count * ETH_ALEN)); |