diff options
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 4d1d47953fc..6cc5bcd34fb 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); |